Articles By Topic

DOM for Web Services, Part 2 By Faheem Khan
This article shows how to use Microsoft's Document Object Model (DOM) implementation to create a user interface for a web service from a WSDL file, with examples both in Internet Explorer and using ASP.NET. It provides a gentle introduction to the programmatic use of the DOM. [Nov. 11, 2003]

Typeless Schemas and Services By Rich Salz
Strange as it may seem, top thinkers in web services are moving away from strongly typed models of data into a more document-centric service oriented model. Rich Salz charts this change in thinking. [Sep. 2, 2003]

Using Python, Jython, and Lucene to Search Outlook Email By Jon Udell
Ever had trouble finding a particular email? So did Jon Udell, so he put together Python, Jython and Lucene in order to create a local web service that indexed his Microsoft Outlook mail store. [May. 13, 2003]

All Aboard AJAX, HTML Canvas, and the Supertrain By Dave Hoover
Dave Hoover shows us how to use AJAX, Ruby, and the new HTML canvas element to add simple animation and interactivity to web apps. [Jan. 18, 2006]

JSON and the Dynamic Script Tag: Easy, XML-less Web Services for JavaScript By Jason Levitt
Jason Levitt returns with a piece explaining how to use AJAX and JSON to interact with web services from JavaScript in a seamless, cross-domain, cross-browser fashion. [Dec. 21, 2005]

Tuning AJAX By Dave Johnson
AJAX is all the rage and it's being used for non-trivial applications. But do you know what's fast and what's slow in AJAX? Get ready to tune your AJAX apps. [Nov. 30, 2005]

Fixing AJAX: XMLHttpRequest Considered Harmful By Jason Levitt
Jason Levitt shows us how to work around XmlHttpRequest restrictions in order to get more joy from third-party web services. [Nov. 9, 2005]

Is AJAX Here to Stay? By Jordan Frank
Jordan Frank takes a high-level look at the way AJAX is changing the Web and whether it's a technology that's going to stick around. [Oct. 5, 2005]

Hacking Maps with the Google Maps API By Hari Gottipati
Hari K. Gottipati introduces the Google Maps API and describes how to use it to build interactive mapping applications for the Web. [Aug. 10, 2005]

Life After Ajax? By Micah Dubinko
Micah Dubinko says that the way Ajax technologies are presently deployed will eventually run into complexity barriers. It's time, he claims, for more declarative, markup-based alternative strategies. [Jun. 29, 2005]

Errors and AJAX By Joshua Gitlin
AJAX is hot, but is it real? How mature are the techniques, and can you use them right now? Joshua Gitlin offers a method for trapping client-side JavaScript errors and logging them, server-side, with AJAX. [May. 11, 2005]

Very Dynamic Web Interfaces By Drew McLellan
Drew McLellan explains how to use XMLHTTPRequest and Javascript to create web applications with very dynamic, smooth interfaces. [Feb. 9, 2005]

Scripting Flickr with Python and REST By Uche Ogbuji
In his latest Agile Web column, Uche Ogbuji shows us how to use Python to interact with Flickr as a lightweight web service. [Jan. 25, 2006]

Putting RSS to Work: Immediate Action Feeds By Mark Woodman
Mark Woodman shows us how to enhance the usability of RSS and Atom syndication channels with an idea he calls Immediate Action Feeds. [Dec. 14, 2005]

Analyzing the Web By John E. Simpson
In his latest XML Tourist column John E. Simpson asks whether XML has a role to play in reporting website traffic statistics. He finds two applications that use XML to analyze website traffic. [Jul. 27, 2005]

Introducing NetKernel By Peter Rodgers
Pete Rodgers introduces NetKernel, a novel software framework for building Web services and applications. [Apr. 27, 2005]

Going Native, Part 2 By Ronald Bourret
Ronald Bourret, acknowledged XML database expert, continues a three-part series that makes the case for native XML databases--this time focusing on data integration and semistructured data management. [Apr. 13, 2005]

Top 10 XForms Engines By Micah Dubinko
Micah Dubinko, one of the gurus of XForms, offers a rundown on the state of XForms engines for 2005. [Feb. 9, 2005]

Weblogs, Publish-Subscribe, and Web Collections: A REST Analysis By Mike Dierken
Mike Dierken offers a REST analysis of several weblog and other web notification systems, including pubsub.com and Google. [Dec. 1, 2004]

Rainy Day XML By John E. Simpson
In John E. Simpson's latest XML Tourist column he explains how to use XML to survive yet another Florida hurricane. [Sep. 29, 2004]

Screenscraping the Senate By Paul Ford
In Paul Ford's first Hacking Congress column, he shows us how to turn information on the U.S. Senate site into RDF. [Sep. 1, 2004]

Checkmate XML By John E. Simpson
In John E. Simpson's first XML Tourist column, he leads us on a tour of the world of XML-based chess applications.  [Aug. 25, 2004]

The XML.com Interview: Jeff Barr By Edd Dumbill
Amazon.com's web services API has met with broad success. Jeff Barr, Amazon's web services evangelist, speaks to Edd Dumbill. [Mar. 31, 2004]

Atom API Update By Joe Gregorio
The grassroots technology for weblog authoring, Atom, is undergoing rapid development. This article reviews the eighth revision of the specification for the Atom API. [Feb. 3, 2004]

Making Web Services Work at Amazon By Edd Dumbill
Jeff Barr, Amazon's web services evangelist, presented Tuesday at XML 2003, explaining the decisions involved in making Amazon's puiblic web services strategy a success. [Dec. 9, 2003]

The Impact of Site Finder on Web Services By Steve Loughran
VeriSign's recently Site Finder service, now temporarily suspended, caused many problems for internet users and web applications. Particularly at risk from the Site Finder changes are web services applications. This article examines the difficulties caused by Site Finder, and what users and developers of web services can do about it. [Oct. 28, 2003]

What Is Service-Oriented Architecture By Hao He
Service-Oriented Architecture underpins most modern web services. It aims to achieve loose coupling between interacting software agents in order to preserve the benefits of reusability, extensibility and simplicity. [Sep. 30, 2003]

Web Disservices: Microsoft's Misstep By Mark Pilgrim
In this month's Dive Into XML column, Mark Pilgrim takes a look at Microsoft's new Microsoft.com web service, suggesting that it might be improved by becoming more like the Web itself. [Sep. 24, 2003]

What Interoperability Isn't By Will Provost
The buzzword "interoperability" has grown to encompass a broad range of problems and is no longer a precise term. This article challenges several apparent interoperability problems in web services, many of which are really solved problems from other domains. [Sep. 2, 2003]

A Web Services Strategy for Mobile Phones By Nasseam Elkarra
Planning to deploy information services on mobile phones? This article gives an overview of the various technologies and routes available for mobile web service development. [Aug. 19, 2003]

Low Bandwidth SOAP By Jeff McHugh
Using web services on low resource J2ME devices is possible through Enhydra.org's KSOAP classes. This article shows you how to create lightweight web service clients and servers. [Aug. 19, 2003]

Introducing Anobind By Uche Ogbuji
In his latest Python and XML column Uche Ogbuji introduces anobind, a Python-XML data binding library which is driven by declarative rules. [Aug. 13, 2003]

UML for Web Services By Will Provost
How can web services development be given a proper design process? Enter the Unified Modeling Language, or UML, which is the whiteboard notation for object-oriented analysis and design, and offers a natural fit to RPC-style service design. [Aug. 5, 2003]

Web Services and Sessions By Sergey Beryozkin
Saving state in web services interactions is an important capability. This article reviews the various approaches to maintaining sessions in web services. [Jul. 22, 2003]

WSDL Tales From The Trenches, Part 2 By Johan Peeters
In the second part of his hands-on WSDL series, Johan Peeters clarifies good practice for writing WSDL, and also finds that WSDL itself is not yet mature enough. [Jun. 24, 2003]

All Consuming Web Services By Erik Benson
By consuming information from multiple web services and then exposing newly processed information in our own web services, we can begin to build complex applications with very few resources required up front. Erik Benson describes the workings of All Consuming. [May. 27, 2003]

XML Transactions for Web Services, Part 2 By Faheem Khan
In the second installment of our series on web service transactions, Faheem Khan examines in detail the operation of atomic transactions in an example enterprise application scenario, using the WS-Coordination and WS-Transaction specifications. [Apr. 29, 2003]

Portal Syndication: Embedding One Web Site's Functionality in Another By Ivelin Ivanov
Ivelin Ivanov shows how simple it is to syndicate functionality between web sites when using Apache Cocoon. [Apr. 29, 2003]

The Semantic Blog By Jon Udell
One of XML's promises is fine-grained, specific searching, but this doesn't come without a lot of effort in data preparation. Jon Udell looks for the sweet spot that marries spontaneity and structure. [Apr. 15, 2003]

The Liberty Alliance By Paul Madsen
As parts of our lives are increasingly managed via online applications, the resulting morass of different logon and profile information is becoming unmanageable. This is the problem the Liberty Alliance project sets out to solve. [Apr. 1, 2003]

Thinking about Implementing a Web Services Strategy? By Brian Buehling
Brian Buehling presents questions to ask yourself before commencing the planning and implementation of a web services strategy in your organization. [Mar. 4, 2003]

Think Spring By Jon Udell
Jon Udell puts together web services, XML, and Amazon to enhance Spring, a "concept-centric" visual organizer for Mac OS X. [Mar. 4, 2003]

XML Forms, Web Services and Apache Cocoon By Ivelin Ivanov
Server side business logic is often invariant with respect to the client device. Ivelin Ivanov shows how the Cocoon XMLForm framework addresses the concern of separating the purpose from the presentation of a form, maximizing its reusability for a variety of client devices.  [Jan. 29, 2003]

Web Services for Bioinformatics By Ethan Cerami
Ethan Cerami explores two bioinformatic Web Services you can try out today -- XEMBL and BQS -- and shows code examples of how the interfaces work.  [May. 14, 2002]

Building a Worldwide Lexicon By Brian Jepson
Brian McConnell proposes an open source, peer-to-peer system for making connections among online dictionaries via a SOAP interface.  [May. 10, 2002]

How the Wayback Machine Works By Richard Koman
Brewster Kahle tells how he archives and indexes 100 terabytes of data with 400 PCs. [Jan. 21, 2002]

How Would You Like That Served? By Didier Martin
Our intrepid explorer of specifications, Didier Martin, investigates CC/PP, an RDF application for describing and exchanging device capabilities. [Jan. 31, 2001]

Semantic Wikis and Disaster Relief Operations By Soenke Ziesche
Dr. Soenke Ziesche describes how to use semantic wikis to provide a kind of queryable database of documents to support disaster response and humanitarian efforts at the United Nations. [Dec. 13, 2006]

Forming Consensus By Micah Dubinko
In his latest XML-Deviant column, Micah Dubinko outlines a plan for combining the XForms and Web Forms 2.0 communities. [May. 11, 2005]

XQuery's Niche By Edd Dumbill
XQuery has been much hyped, but is it sufficiently different from XSLT to be successful? Edd Dumbill follows a debate looking for XQuery's niche.  [Dec. 29, 2004]

The Cost of XML By Edd Dumbill
The apparent overhead of using XML is once more in the spotlight, as is the financial overhead of using eBay's web services. Edd Dumbill reports. [Dec. 15, 2004]

On Folly By Edd Dumbill
XML-oriented programming languages? Crazy! The Semantic Web? Nuts! Or perhaps not. Edd Dumbill on how the crackpots were right all long. [Dec. 8, 2004]

Faster, Faster! By Edd Dumbill
Edd Dumbill reports on debate about making XML faster and leaner and offers the opportunity to send nominations for this year's XML Anti-Awards. [Dec. 1, 2004]

XML 2004: After Declaring Victory, What's Next? By Kendall Grant Clark
As part of our XML 2004 conference coverage, Kendall Clark files his first <taglines/> column, covering the first day of the conference in Washington, DC. [Nov. 17, 2004]

XML, the Web, and Beyond By Edd Dumbill
XML community coverage; browser technology and open content join traditional XML topics in the new-look XTech 2005 conference; plus debate on when multiple schemas are the best way forward. [Nov. 10, 2004]

Introducing del.icio.us By Matt Biddulph
Matt Biddulph introduces del.icio.us, the social bookmarks manager, by showing us how to interact with it programmatically via Python. [Nov. 10, 2004]

How Do I Hate Thee? By Edd Dumbill
Find out everyone's top five dislikes about XML, and get to the bottom of exactly why namespaces tops the list. [Nov. 3, 2004]

Linkin' Park By Edd Dumbill
One of the original trinity of XML specs, XML linking has largely failed. Can, and should, we fix it? [Oct. 27, 2004]

The State of Python-XML in 2004 By Uche Ogbuji
Uche Ogbuji reports on 74 Python-XML projects, giving us a status report on the state of Python-XML for 2004. [Oct. 13, 2004]

Not Evil, Just Smelly By Edd Dumbill
Hypertext guru Ted Nelson reckons XML is evil. XML folk reckon Nelson is mad. But is there truth in what he says? [Oct. 6, 2004]

RDF Roundup By Edd Dumbill
Edd Dumbill's report on XML community discussions covers how to write XML documents as RDF models and more incredulity at the WS-* web services specifications. [Sep. 22, 2004]

Identifying Atom By Mark Pilgrim
In his latest Dive into XML column, Mark Pilgrim reports on some of the hot topics in the IETF's development of Atom. [Aug. 18, 2004]

Misconceive Early, Misconceive Often By Edd Dumbill
Our XML community column examines the fallout from Mark Pilgrim's claim that XML on the Web has failed; plus the emerging use of an alternative to URIs in RDF. [Aug. 4, 2004]

Eternal Refactoring By Edd Dumbill
A summary of the latest happenings in the XML and RDF developer communities: refactoring specifications, Amazon wishlists in RDF, and XML as art. [Jul. 7, 2004]

WWW2004 Semantic Web Roundup By Paul Ford
Reporting from the WWW 2004 conference, Paul Ford surveys the state of the art in client and server side semantic web technology. [May. 26, 2004]

The Courtship of Atom By Kendall Grant Clark
The Atom syndication specification may move to a new home at the W3C. We look at the advantages this would bring to all concerned. [May. 19, 2004]

Politics By Any Other Name By Kendall Grant Clark
The recent News.com interview with Bob Glushko spawned a rash of debate among XML developers. The topic? Standards, of course! Kendall Clark offers his own views, and reports on the surrounding community debate. [May. 12, 2004]

XML Europe 2004: Refactoring XML By Eric van der Vlist
The recent XML Europe 2004 conference showed that it's time to use the experience gained in the last 6 years to optimize the use of XML. Eric van der Vlist reports on sessions from the show. [May. 5, 2004]

The State of XML By Edd Dumbill
In this closing keynote speech to XML Europe 2004, Edd Dumbill summarizes XML's recent changes and enduring strengths. [Apr. 21, 2004]

The XML.com Interview: Jeff Barr By Edd Dumbill
Amazon.com's web services API has met with broad success. Jeff Barr, Amazon's web services evangelist, speaks to Edd Dumbill. [Mar. 31, 2004]

Growing Interest in XML Seen at AIIM Conference on Content and Records Management By Dale Waldt
A report from the AIIM Content and Records Management conference and exposition from Dale Waldt, at which the interest and usage of XML grows ever stronger. [Mar. 24, 2004]

The Beauty of REST By Jon Udell
Through his LibraryLookup project, Jon Udell finds that you don't need to understand what REST is in order to benefit from its use in a system. [Mar. 17, 2004]

Community Developments By Kendall Grant Clark
After its long focus on the W3C TAG, the XML-Deviant returns its gaze to the XML developer world, taking in developments in RDDL and the new "genx" project. [Feb. 25, 2004]

An Introduction to FOAF By Leigh Dodds
Friend-of-a-friend, FOAF, is an RDF vocabulary for machine-readable homepages. It enables the expression of decentralized social networks akin to the centralized ones seen in Friendster and Orkut. Leigh Dodds provides an introduction to FOAF and its use. [Feb. 4, 2004]

The TAG's Town Hall By Kendall Grant Clark
Kendall Clark reports from the public question and answer session with the W3C's Technical Architecture Group, which took place as part of the XML 2003 conference. [Dec. 10, 2003]

Intelligent Documents Headline XML 2003 By Edd Dumbill
A report from the opening plenary session of IDEAlliance's XML 2003 conference and exposition in Philadelphia, PA, USA. [Dec. 9, 2003]

Binary Killed the XML Star? By Kendall Grant Clark
The results of the W3C's workshop on binary XML are less than satisfactory, says Kendall Clark. He also covers a recent and pertinent conversation on XML-DEV about SAX interfaces to binary formats. [Nov. 19, 2003]

The Long, Long Arm of SGML By Kendall Grant Clark
Commenting on Tim Bray's "UTF-8+names" proposal for creating memorable shortcuts for some Unicode code points, Kendall Clark sees the effort as part of XML's continuing struggle against the legacy of its SGML ancestry. [Nov. 5, 2003]

A Web of Rules By Kendall Grant Clark
In his second report from the International Semantic Web Conference, Kendall Clark discusses the importance of rules to the deployment of the Semantic Web, and highlights the importance of interaction between the academic and free software communities. [Oct. 23, 2003]

Commercializing the Semantic Web By Kendall Grant Clark
In the first of his reports from the 2nd International Semantic Web Conference, Kendall Clark discusses the path forward for successfully selling and developing Semantic Web technology into industry. [Oct. 22, 2003]

ISO to Require Royalties? By Kendall Grant Clark
The ISO, a worldwide standards body, is proposing to charge fees for commercial usage in software of their standardized country, language and currency codes. This would have a wide-ranging negative effect on the infrastructure of the web and related standards. Kendall Grant Clark explains the situation and argues against the ISO's proposal. [Sep. 24, 2003]

Marking Up Bureaucracy By Paul Ford
Needing to cope with its enormous needs for document and data exchange, the United States is looking more and more to XML. Paul Ford explains what happens when Washington meets markup. [Sep. 24, 2003]

Typeless Schemas and Services By Rich Salz
Strange as it may seem, top thinkers in web services are moving away from strongly typed models of data into a more document-centric service oriented model. Rich Salz charts this change in thinking. [Sep. 2, 2003]

A Report From Extreme Markup Languages 2003 By James Mason
Jim Mason, one of the co-chairs of the Extreme Markup Languages conference, reports on this recent annual gathering of deeply involved XML enthuasiasts and innovators. [Aug. 27, 2003]

Binary XML, Again By Kendall Grant Clark
The old chestnut of a binary encoding for XML has cropped up once more, this in time in serious consideration by the W3C. Kendall Clark comments on the announcement of the W3C's Binary XML Workshop. [Aug. 13, 2003]

Vox Populi: Web Services From the Grassroots By Rich Salz
In Rich Salz's latest column, he examines the effort to redefine simply site syndication, claiming that it's already technically superior to RSS 2.0. [Jul. 8, 2003]

A Community Update By Kendall Grant Clark
A bulletin from the XML developer community covering the growth of RELAX NG adoption, discussion on the W3C's approach to criticism and an update on the YAML experiment. [Jun. 11, 2003]

Reports from XML Europe 2003 By Uche Ogbuji, Simon St. Laurent
The annual XML Europe Conference took place in London, May 2003. This article collects together reports from XML.com writers Uche Ogbuji and Simon St.Laurent. [May. 21, 2003]

The XML.com Interview: Steven Pemberton By Russell Dyer
Russell Dyer talks to Steven Pemberton, the chair of the W3C's HTML Working Group, and an important influence on the development of the web over the last decade. [May. 21, 2003]

Internationalizing the URI By Kendall Grant Clark
Kendall Clark describes the hold-ups being suffered by XML due to the transition of URIs to their internationalized replacements, IRIs, as well as reviewing a slew of new XQuery drafts published by the W3C. [May. 7, 2003]

At Microsoft's Mercy By Kendall Grant Clark
The future of XML editing is pretty much in Microsoft's hands, writes Kendall Grant Clark, reporting on community reaction to the news that Microsoft Office 2003's much-hyped XML features will be restricted to the higher-end versions of the suite. [Apr. 23, 2003]

The XML.com Interview: Liam Quin By Russell Dyer
Russell Dyer talks to Liam Quin, XML Activity Lead at the World Wide Web Consortium, XML book author, and typography and markup enthuasiast.  [Apr. 9, 2003]

Truth in Advertising By Kendall Grant Clark
A survey of recent discussion on the XML-DEV mailing list, including controversy about XML subsetting in JSR 172, whether there should be a central namespace registry, and whether XML-DEV should find a new home. [Mar. 12, 2003]

The Return of XML Hypertext By Kendall Grant Clark
Kendall Clark reports on the creation of a new mailing list focused on the use of XML for hypertext. [Jan. 22, 2003]

Business at XML 2002 By Alan Kotok
Rounding up the news from the business side of the recent XML 2002 conference, Alan Kotok reports an increase in government clients for XML businesses. [Jan. 8, 2003]

Reports from XML 2002 By Eric van der Vlist
Eric van der Vlist describes highlights of the XML 2002 conference held in Baltimore, including Microsoft Office 11, OpenOffice, ISO DSDL, schema language techniques and literate programming in XML. [Dec. 18, 2002]

RPV: Triples Made Plain By Kendall Grant Clark
Kendall Grant Clark looks at a recent proposal for an alternative XML syntax for RDF: Tim Bray's RPV syntax. [Nov. 20, 2002]

RDF, What's It Good For? By Kendall Grant Clark
Kendall Grant Clark ponders the hidden benefits of RDF, and examines the XML-DEV community response to a recent XML.com article on making XML documents RDF-friendly. [Nov. 13, 2002]

Standards For Electronic Instructional Materials By Alan Kotok
A bill proposed to the U.S. Congress seeks to create an electronic standard for instruction materials that will help visually disabled schoolchildren. [Nov. 6, 2002]

Community and Specifications By Kendall Grant Clark
Kendall Clark surveys recent discussion in the XML community, covering XML 1.1, security considerations with XInclude and whether it takes James Clark to create a successful specification. [Oct. 30, 2002]

TAG's Iron Fist By Edd Dumbill
The W3C's Technical Architecture Group's condemnation of HLink has met with an angry response. Edd Dumbill says that the TAG's approach isn't good for the web or for the W3C. [Oct. 2, 2002]

XMLPULL: A Response By Stefan Haustein, Aleksander Slominski
The creators of the XMLPULL API for Java respond to Elliotte Rusty Harold's recent review of their API on XML.com [Sep. 25, 2002]

Look Ma, No Tags By Kendall Grant Clark
XML's success can be measured not only in terms of deployment, but also in terms of inspiring competitors. Kendall Clark examines one such tagless competitor, YAML. [Jul. 24, 2002]

Watching TAG Again By Kendall Grant Clark
Kendall Clark provides an update on the progress of the W3C's Technical Architecture Group, responsible for overseeing the architecture of the Web. [Jul. 3, 2002]

Variables and Paths By John E. Simpson
In this month's Q&A column, John Simpson answers questions about XSLT variables and XML document paths. [Jun. 26, 2002]

If Ontology, Then Knowledge: Catching Up With WebOnt By Kendall Grant Clark
An examination of the aims and achievements to date of the W3C's Web Ontology Working Group, who are tasked with creating an ontology language for the Semantic Web. [May. 1, 2002]

XML Namespaces 1.1 By Leigh Dodds
This week's Deviant examines the Namespaces 1.1 Working Draft, as well as its goals and likely impact on XML processors and development practices. [Apr. 10, 2002]

W3C XML Schema Needs You By Leigh Dodds
In this week's Deviant column the issue of interoperability and specification conformance of XML Schema processors is discussed. [Mar. 27, 2002]

In a Lather About Security By Leigh Dodds
This week's XML-Deviant column recounts a recent discussion about the security of SOAP, RPC, and REST. [Feb. 27, 2002]

U.S. Federal XML Guidelines By Alan Kotok
The US Government's guidelines for use of XML in Federal agencies shows an encouraging appreciation of XML, but also highlights the difficulties inherent in drafting such guidelines. [Feb. 6, 2002]

The Value of Names in Attributes By Kendall Grant Clark
The struggle with namespaces in XML continues in the developer community. Recent discussion has centered on the wisdom of the use of qualified names in attribute values by languages such as XSLT and W3C XML Schema. [Feb. 6, 2002]

Document Associations By Leigh Dodds
The Deviant column examines the relation of namespaces and document types, as well as multi-typed documents, in the context of XML processing models. [Jan. 30, 2002]

TAG: Managing the Complex Web By Kendall Grant Clark
A look at the first substantive issues under discussion by the W3C's new Technical Architecture Group. [Jan. 23, 2002]

Bright Year In Prospect For XML By Edd Dumbill
Edd Dumbill reviews some of the promising areas of XML for the coming year, including presentation technologies and a renaissance in independent contributions to XML. [Jan. 16, 2002]

All We Want For Christmas is a WSDL Working Group By Timothy Ewald, Martin Gudgin
Our web services columnists reckon the WSDL interface language needs more work and try to engage the assistance of Santa Claus in their quest. [Dec. 19, 2001]

Patents and Web Standards Town Hall Meeting By Michael Champion
A report from the "town hall" meeting at XML 2001 on patents and their interaction with W3C standards. [Dec. 19, 2001]

Versioning Problems By Leigh Dodds
The publication of the first draft of XML 1.1 is the cause of much dissent in the XML community. [Dec. 19, 2001]

Far from Patchy Progress By Leigh Dodds
Leigh Dodds reviews the recent history of the Apache XML project, its the latest SOAP developments, and concludes that Apache XML has matured considerably. [Dec. 5, 2001]

Wrap Your App By Leigh Dodds
Leigh Dodds reports on recent community conversations about solving the XML application packaging problem. [Nov. 21, 2001]

DOM and SAX Are Dead, Long Live DOM and SAX By Kendall Grant Clark
The XML developer community finds that DOM is often inappropriate, while SAX is too hard to grasp. The XML-Deviant covers a discussion on the usage and future for these APIs. [Nov. 14, 2001]

XML and Databases? Follow Your Nose By Leigh Dodds
Leigh Dodds explores the sometimes pungent, often sweet world of XML-database integration requirement smells. [Oct. 24, 2001]

Patent Wars: The W3C Strikes Back By Kendall Grant Clark
In response to massive public comment on their proposed patent policy, the W3C has responded, inviting noted open source advocates to help them shape the policy. [Oct. 17, 2001]

Patents, Royalties, and the Future of the Web By Kendall Grant Clark
The W3C's proposal to allow royalty-encumbered patented technology into Web standards has attracted much criticism and debate. Kendall Clark provides a comprehensive overview of the controversy. [Oct. 10, 2001]

Being Too Generous By Leigh Dodds
Leigh Dodds reports on the community's so far successful efforts to convince Microsoft to fix XML conformance bugs in IE6. [Sep. 19, 2001]

Pork Barrel Protocols By Timothy Ewald, Martin Gudgin
XML.com's newest column, XML Endpoints, which is devoted to exploring web services, debuts by asking what a web service really is and what it shouldn't be. [Sep. 12, 2001]

Dividing Factors By Leigh Dodds
Leigh Dodds searches the fault lines of the XML development community and finds that a desire for technological diversity is the new epicenter. [Sep. 5, 2001]

A Path to Enlightenment By Leigh Dodds
Leigh Dodds takes us for stroll down the path of XML complexity, seeking the enlightenment of simplicity. [Aug. 29, 2001]

A New Kind of Namespace By Edd Dumbill
Light finally dawns in XML-DEV on the reason behind the inclusion of locally-scoped element names in W3C XML Schema. [Aug. 22, 2001]

Opening Old Wounds By Leigh Dodds
Leigh Dodds discusses the interpretation of namespaces and XML Schema and, in the process, highlights an important flaw in the W3C's specification process. [Aug. 8, 2001]

Doing it Simpler By Leigh Dodds
Dodds recaps the history of SML-DEV's efforts to simplify XML, including Common XML, MinML, and YAML. He then examines where SML-DEV may be going next. [Aug. 1, 2001]

The Collected Works of SAX By Leigh Dodds
Dodds reports on XML-DEV's latest efforts to enhance the SAX API and to build a standard library of SAX tools. [Jul. 18, 2001]

Sunshine and Blueberries By Leigh Dodds
Leigh Dodds explores the issues behind the W3C's newly-forming Technical Architecture Group, as well as giving an update on XML Blueberry. [Jul. 11, 2001]

Preview: O'Reilly XTech 2001 Conference on XML By Edd Dumbill
O'Reilly's XTech 2001 will be held from July 23-27 in San Diego, California. The conference chair, Edd Dumbill, previews this essential meeting for XML developers. [Jun. 20, 2001]

Time for Consolidation By Leigh Dodds
Is XML changing the way applications are being designed? If so, what tools should you use to model these applications? [Jun. 6, 2001]

Schema Scuffles and Namespace Pains By Edd Dumbill
W3C XML Schema is complete. End of story? No way! Debates over Schema best practice have dominated XML-DEV over recent weeks. [May. 30, 2001]

Around and About at XML Europe 2001 By Edd Dumbill
Pictures and notes from the GCA's XML Europe 2001 conference. [May. 25, 2001]

Reports from WWW10 By Edd Dumbill
Highlights from the 10th International World Wide Web conference, which took place last week in Hong Kong.  [May. 9, 2001]

Parsing the Atom By Leigh Dodds
Not every piece of data the XML programmer has to deal with comes neatly packaged in angle brackets. XML developers have been examining how W3C XML Schema could help out. [Apr. 25, 2001]

XSLT UK 2001 Report By Jeni Tennison
Earlier this month Keble College, Oxford, England was the setting for the first ever conference dedicated to XSLT. XSLT expert Jeni Tennison reports on the proceedings. [Apr. 25, 2001]

Intuition and Binary XML By Leigh Dodds
Binary encodings for XML is a well-worn topicon XML-DEV, yet last week's revisiting of the debate introduced some interesting new evidence. [Apr. 18, 2001]

Practical Internationalization By Edd Dumbill
An interview with Tim Bray about the joys and pains of implementing a truly internationalized web application. [Apr. 18, 2001]

XP Meets XML By Leigh Dodds
The XML-Deviant has been watching advocates of the latest trend in software development, Extreme Programming, get to grips with XML. At least they have acronyms in common. [Apr. 4, 2001]

A Brief History of SOAP By Don Box
An insider's view of the last three years of SOAP's development, its relationship with W3C XML Schema, and an assessment of where XML protocols should go next. [Apr. 4, 2001]

Schemas by Example By Leigh Dodds
There has been a lot of activity in the area of XML schema languages recently: with several key W3C publications and another community proposed schema language. [Mar. 28, 2001]

Extensions to XSLT By Leigh Dodds
Members of the XSL mailing list have started a commnunity-based project to standardize extensions for XSLT. [Mar. 14, 2001]

Knowledge Technologies 2001: Conference Diary By Edd Dumbill
The inaugural Knowledge Technologies conference brought together members of diverse communities, all concerned with managing knowledge: from RDF and Topic Maps to AI. [Mar. 7, 2001]

Toward an XPath API By Leigh Dodds
Since XSLT and XPointer rely on XPath, developers are asking whether an XPath API should be created. [Mar. 7, 2001]

XML Ain't What It Used To Be By Simon St. Laurent
Current XML development at the W3C threatens to obliterate the original promise of XML by piling on too many features and obscuring what XML does best.  [Feb. 28, 2001]

Does XML Query Reinvent the Wheel? By Leigh Dodds
XML developers contend that the overlap between XML Query and XSLT is so great that they aren't separate languages at all. [Feb. 28, 2001]

Answering the Namespace Riddle By Leigh Dodds
Dodds introduces RDDL, the Resource Directory Description Language, the result of a recent project conducted by the XML developer community to make XML namespaces easier to use. [Feb. 28, 2001]

Time to Refactor XML? By Leigh Dodds
The growing interdependency between XML specifications is causing concern among XML developers -- is this just a case of sensible reuse, or are we creating a dangerously tangled web of standards? [Feb. 21, 2001]

XML on the Move By Edd Dumbill
A report from XML DevCon Europe, London. On the first day of the conference, Henry Thompson spoke on XML Schemas and the XML Infoset, and David Orchard gave an overview of the world of web services. [Feb. 21, 2001]

XSLT Extensions Revisited By Leigh Dodds
The first Working Draft of XSLT 1.1, though attempting to address the portability of stylesheets that use extension functions, has failed to please everyone in the XSLT developer community. [Feb. 14, 2001]

The Politics of Schemas: Part 2 By Kendall Grant Clark
Having established in the first half of this essay that schemas are essentially political, this second installment examines the relevance of this to the XML community, and avenues for further consideration. [Feb. 7, 2001]

Schemarama By Leigh Dodds
For the past two weeks XML-DEV has seen fascinating exchanges between three inventors of alternative XML schema proposals. [Feb. 7, 2001]

The Politics of Schemas: Part 1 By Kendall Grant Clark
As the world is codified one schema at a time, what are the consequences and implications? This first half of a two-part essay examines why schemas are essentially political.  [Jan. 31, 2001]

Dictionaries and Datagrams By Leigh Dodds
XML developers have been reexamining the textual encoding of XML, addressing concerns of verbosity and multilingual elements. [Jan. 24, 2001]

XPointer and the Patent By Leigh Dodds
Does a Sun patent threaten the future of hypertext on the web, or are XML developers getting unnecessarily alarmed by the licensing terms on the XPointer spec? The XML-Deviant reports. [Jan. 17, 2001]

A Scalable Process for Information Standards By Jon Bosak
The Chair of the OASIS Process Advisory Committee explains how OASIS has developed a standards process to cater for the fast-moving world of XML. [Jan. 17, 2001]

Old Ghosts: XML Namespaces By Leigh Dodds
The XML Namespaces ghost returned to haunt the XML community this Christmas. However, developers on XML-DEV fought back with a new proposal to bring predictability to the use of URIs as namespace identifiers. [Jan. 10, 2001]

OASIS Technical Committee Work By Karl F. Best
The mission of OASIS is to promote and encourage the use of structured information standards such as XML and SGML. This report describes the work in which OASIS is currently engaged. [Jan. 3, 2001]

The 12 Days of XML Christmas By Leigh Dodds
A light-hearted review of XML developer community 2000 as seen through the watchful eye of the XML-Deviant. [Dec. 27, 2000]

Getting Topical By Simon St. Laurent
At the recent XML 2000 conference the XML Topic Maps (XTM) specification made an impressive debut. Simon St.Laurent reviews the development and prospects of XTM. [Dec. 20, 2000]

XML 2000 Coverage Reports and reviews from the largest XML conference of the year. [Dec. 13, 2000]

Berners-Lee and the Semantic Web Vision By Edd Dumbill
In a keynote session at XML 2000 Tim Berners-Lee, Director of the World Wide Web Consortium, outlined his vision for the Semantic Web.  [Dec. 6, 2000]

Developers' Day at XML 2000 By Edd Dumbill
The XML Developers' Day at XML 2000, chaired by Jon Bosak, was composed of "late-breaking" developments in XML, and provided many valuable insights into developing XML systems. [Dec. 5, 2000]

What's in a Name? By Leigh Dodds
The XML-Deviant looks at best practices for identifying XML resources; then wonders why more developers aren't taking advantage of entity management systems.  [Nov. 29, 2000]

Should XML Become a "Real" Standard? By Edd Dumbill
XML standards developers gathered Monday night at XML DevCon Fall 2000 in San Jose to discuss the future of XML as a standard. [Nov. 14, 2000]

Primed for the Semantic Web By Leigh Dodds
Last week's article on the Semantic Web has sparked discussion among the RDF developer community, who are considering the nature of the Semantic Web and how it might be implemented. [Nov. 8, 2000]

An Introduction to Dublin Core By Eric Miller, Stuart Weibel
You may have heard of the Dublin Core metadata element set before, but who is behind it, and what do they want to achieve? The leaders of the Dublin Core Metadata Initiative explain what they do and where they're headed. [Oct. 25, 2000]

Dublin Core in the Wild By Dale Dougherty
The recent Dublin Core Metadata Initiative meeting provided an opportunity for O'Reilly Network to discover more about Dublin Core and to explore its relationship with RSS. [Oct. 25, 2000]

Of Standards and Standard Makers By Leigh Dodds
The debate over who makes XML standards and how they are made rumbles on. This week the XML-Deviant examines the W3C and asks whether its Semantic Web initiative informs or hinders comprehension of their mission. [Oct. 25, 2000]

The Rush to Standardize By Leigh Dodds
Keeping track of the number of consortia in the XML space is rapidly requiring the effort needed to track the burgeoning number of specifications. Is all this "standardization" too premature? XML-Deviant covers the recent debate. [Oct. 18, 2000]

The Benevolent Dictator of SAX By Leigh Dodds
As David Megginson gets ready to hand over the reins of SAX, the community-developed Simple API for XML, a successor must be found. [Oct. 4, 2000]

Schemas in the Wild By Leigh Dodds
As adoption of W3C XML Schema technology increases, the need for documenting best practices is becoming more important, not least where namespaces are concerned. The XML-Deviant investigates. [Sep. 27, 2000]

Super Model By Leigh Dodds
Growing interest in RDF is seeing renewed work to increase understanding of the specification, including a move to separate RDF's simple data model from its oft-maligned syntax. [Sep. 20, 2000]

Gentrifying the Web By Leigh Dodds
XHTML promises to civilize the unruly mass of HTML on the Web. But is anybody listening? Leigh Dodds examines whether web developers know or care about XHTML. [Sep. 13, 2000]

Instant RDF? By Leigh Dodds
RDF has some devoted followers, but is yet to hit the XML mainstream. Many believe this is because of its complicated syntax. XML-Deviant investigates the quest for "instant RDF". [Aug. 30, 2000]

A Few Bumps By Edd Dumbill
Some problems are due to success, some are growing pains, and some just refuse to go away. XML has all of these, chronicled as ever by the XML-Deviant. [Aug. 9, 2000]

Second Coming By Leigh Dodds
This week XML-Deviant reports on the progress with XML Schemas, and an upcoming consolidation of the XML 1.0 errata into a second edition of the specification. [May. 31, 2000]

Namespace Trouble By Leigh Dodds
This week XML Deviant reports on a Namespace-related debate holding up XML work at the W3C, and the final release of SAX2/Java. [May. 17, 2000]

When XML Gets Ugly By Simon St. Laurent
What are the security consequences for a Web full of XML? Co-chair David Megginson used his keynote speech at XTech 2000 to focus on this issue. [Mar. 2, 2000]

Relax, and Take it Easy By Simon St. Laurent
Delegates to XTech 2000 on Wednesday were shown two technologies aimed at making their lives easier: EasySAX, a Python XML processor, and RELAX, a simplified schema language. [Mar. 2, 2000]

Conference Sketch By Edd Dumbill
This week, XML-Deviant is in San Jose for the XTech 2000 conference. Seeing XML-DEV in the flesh is a rare experience: read on for highlights of the XML Schema Town Hall meeting. [Mar. 1, 2000]

"XML Father" leaves W3C for OASIS By Edd Dumbill
Jon Bosak, the "Father of XML," announced to delegates at XTech 2000 today that he is stepping down from W3C activity and devoting his energies to OASIS. [Feb. 29, 2000]

Cool XUL Provides Cross-Platform UI By Edd Dumbill
In an afternoon session Tuesday, Eric Krock presented XUL, Mozilla's cross-platform user interface language utilizing XML, DOM, and CSS. [Feb. 29, 2000]

Putting XML to Work at XTech 2000 By Edd Dumbill
Next week XTech 2000 will begin in San Jose, California. XML.com will be bringing you daily coverage from the conference. To help you plan your meeting attendance at XTech 2000, we have also created an online conference organizer. [Feb. 21, 2000]

Wishful Thinking By Edd Dumbill
XML-Deviant is a new weekly column on XML.com, providing reports from the XML developer mailing lists. This week's happenings include wishful thinking from Peter Murray-Rust, and a DTD for sharing recipes. [Jan. 5, 2000]

Reports from XML'99 By Edd Dumbill
Last week XML.com provided coverage of the GCA's XML'99 conference in Philadelphia. Over 2,200 delegates gathered to attend tutorials, see the products on show in the expo and listen to the presentations. [Dec. 15, 1999]

XML'99 Coverage on XML.com By Edd Dumbill
XML.com is proud to be a co-host of XML'99, running from December 5-9 in Philadelphia. We'll be bringing you daily coverage from the show, highlighting interesting technologies and products. [Dec. 3, 1999]

Report from Montreal By Lisa Rein
Lisa Rein reports from MetaStructures 99 and XML Developers' Day. [Aug. 25, 1999]

The Code of the XML Geeks By Peter Murray-Rust
Our XML:geek columnist comes to the rescue of geek code users, and takes XML itself as the extension to the geek code. [Oct. 3, 1998]

Mozilla and Opera Renew the Browser Battle By Kendall Grant Clark
Mozilla and Opera have joined together to drive forward browser standards, in an effort to head off the threat from Microsoft's .NET plans -- and route around a lagging W3C. [Jun. 16, 2004]

Little Back Corners By John E. Simpson
In this month's XML Q&A column John E. Simpson examines some of the back corners of XPath processor namespace handling. [Feb. 25, 2004]

Making Web Services Work at Amazon By Edd Dumbill
Jeff Barr, Amazon's web services evangelist, presented Tuesday at XML 2003, explaining the decisions involved in making Amazon's puiblic web services strategy a success. [Dec. 9, 2003]

XForms and Microsoft InfoPath By Micah Dubinko
Micah Dubinko, author of XForms Essentials, compares W3C XForms and Microsoft InfoPath, the data gathering technology shipping with Microsoft Office 2003. [Oct. 29, 2003]

The XML Book Business By Kendall Grant Clark
Kendall Clark comments on a recent discussion among XML developers about the unfortunate state of the XML technical book business. [Oct. 29, 2003]

Commercializing the Semantic Web By Kendall Grant Clark
In the first of his reports from the 2nd International Semantic Web Conference, Kendall Clark discusses the path forward for successfully selling and developing Semantic Web technology into industry. [Oct. 22, 2003]

At Microsoft's Mercy By Kendall Grant Clark
The future of XML editing is pretty much in Microsoft's hands, writes Kendall Grant Clark, reporting on community reaction to the news that Microsoft Office 2003's much-hyped XML features will be restricted to the higher-end versions of the suite. [Apr. 23, 2003]

Business at XML 2002 By Alan Kotok
Rounding up the news from the business side of the recent XML 2002 conference, Alan Kotok reports an increase in government clients for XML businesses. [Jan. 8, 2003]

Hot and Fresh Technology for the Enterprise By Antoine Quint
This month's SVG column takes a step back from SVG's use for end-user graphics and examines its potential in the enterprise context. [Apr. 17, 2002]

Making XML Work in Business By Alan Kotok
In this report from the XML 2001 conference, Alan Kotok describes where XML is really working inside businesses. [Jan. 2, 2002]

Growing Ideas at XML 2001 By Simon St. Laurent
The XML 2001 exposition featured a special "Incubator" zone, where young XML companies exhibited their products. We checked out the encouraging array of new technologies. [Dec. 19, 2001]

Patents and Web Standards Town Hall Meeting By Michael Champion
A report from the "town hall" meeting at XML 2001 on patents and their interaction with W3C standards. [Dec. 19, 2001]

Being Too Generous By Leigh Dodds
Leigh Dodds reports on the community's so far successful efforts to convince Microsoft to fix XML conformance bugs in IE6. [Sep. 19, 2001]

Top 10 Interview Questions When Hiring XML Developers By Brian Buehling
XML.com's guide for managers faced with the task of filling positions within their organizations that require a solid understanding of the foundations of XML-related technologies.  [Apr. 11, 2001]

XML 2000 Show Floor Review By Simon St. Laurent
New and interesting technologies from the show floor at XML 2000, including Schemantix, Fourthought, Kinecta, Ontopia and Architag. [Dec. 7, 2000]

Embracing Web Services By Edd Dumbill
Delivering a talk entitled "Web Services: Requirements, Challenges and Opportunities," Greg Hope laid down the future of web business as Microsoft sees it, and especially the role of XML technologies. [Nov. 14, 2000]

XML DevCon 2000 Reports XML DevCon 2000 took place in June 2000 in New York. XML.com reported live from the show, covering the latest vendor and product news. [Jul. 5, 2000]

XML Europe 2000 Reports By Edd Dumbill
Held from 12th-16th June in Paris, France, the XML Europe 2000 conference demonstrated the continuing increase in innovation and application of XML. We reported daily from the show all week. [Jun. 21, 2000]

Object Design becomes eXcelon Corp. By Simon St. Laurent
XML is here to stay: Object Design has renamed itself after its flagship XML product, eXcelon. Simon St.Laurent reports on the name change and eXcelon Corp.'s new range of XML products. [Feb. 2, 2000]

Sun, Adobe Post $90,000 Prize for XSL Implementation By Liora Alschuler
Frustrated with the slow pace of application development for rendering XML content, Sun Microsystems and Adobe are offering $90,000 in grants to individuals or corporations who can deliver applications to jumpstart XSL. [Mar. 15, 1999]

Oracle plans XML support in 8i By Mark Walter
Oracle 8i's built-in XML support is the most extensive of any leading relational database to date, and XML.com has the details in this exclusive look at the new release. [Nov. 9, 1998]

Microsoft Outlines XML Support in IE 5 Beta 2 By Tim Bray
This week Microsoft announces the next beta of Internet Explorer 5.0. XML.com has the details of the browser's XML support. [Oct. 14, 1998]

The ebXML Messaging Service By Pim van der Eijk
The ebXML Messaging Service specification (ebMS) extends the SOAP specification to provide the security and reliability features required by many production enterprise and e-business applications.  [Mar. 18, 2003]

ebXML: It Ain't Over 'til it's Over By Alan Kotok
The final meeting of the Electronic Business XML initiative in Vienna marked the 18-month deadline set for the project, yet there is still plenty left to do. [May. 16, 2001]

ebXML Ropes in SOAP By Alan Kotok
Our report on the latest happenings in ebXML covers their adoption of SOAP, and takes stock as ebXML nears the end of its project. [Apr. 4, 2001]

ebXML: Assembling the Rubik's Cube By Alan Kotok
The fourth meeting of the Electronic Business XML working group sees the intiative make good progress. But will the group be able to meet its self-imposed 18-month deadline? [Aug. 16, 2000]

How eBay Uses Metadata to Enhance Its Web Services By Alan Lewis
Alan Lewis, an eBay developer, explains how the auction giant uses metadata to enhance the documentation of its complex e-commerce web services. [Sep. 28, 2005]

Tracking Packages with RSS By Yakov Shafranovich
Using XSLT and UPS's Web services, Yakov Shafranovich builds a package tracking app with RSS. [Mar. 16, 2005]

The Cost of XML By Edd Dumbill
The apparent overhead of using XML is once more in the spotlight, as is the financial overhead of using eBay's web services. Edd Dumbill reports. [Dec. 15, 2004]

Trust Networks in a Web Services World By Paul Madsen
How do interconnecting web services know who to trust? We examine the role of Security Token Services in mediating trust netweem services. [May. 26, 2004]

UBL: A Lingua Franca for Common Business Information By Dale Waldt
The essential facts on the Universal Business Language, the nuts and bolts for business documents in XML. [Apr. 28, 2004]

Using XSS4J for XML Encryption By Bilal Siddiqui
In the second part of his series on implementing web services security, Bilal Siddiqui introduces IBM alphaWorks' XML Security Suite for Java. [Nov. 25, 2003]

Enterprise Application Integration using Apache Cocoon 2.1 By Tony Culshaw
A case study of using Cocoon to build a web-based travel agency desktop system, integrating several backend systems. [Nov. 12, 2003]

XML Transactions for Web Services, Part 3 By Faheem Khan
In the third and final part of our series on web services transactions, Faheem Kham examines the WS-Transaction spec's Business Activities, a way of handling long lived collections of transactions. [May. 27, 2003]

XML Standards for Financial Services By Ayesha Malik
Ayesha Malik provides an overview of the state of XML standardization in the financial services industry, and explains the benefits it is set to realize from the use of interoperable standards.  [Mar. 26, 2003]

XML Canonicalization, Part 2 By Bilal Siddiqui
In the second and final article of his series on XML Canonicalization, Bilal Siddiqui shows how to cope with documents that have CDATA sections, processing instructions, external entity references and comments. [Oct. 9, 2002]

XML Canonicalization By Bilal Siddiqui
Bilal Siddiqui explains the process of canonicalizing XML documents, useful in determining the logical equivalence of documents in order to secure XML exchanges. [Sep. 18, 2002]

Standard Data Vocabularies Unquestionably Harmful By Walter Perry
XML vocabularies within and across industries are touted to revolutionize business. Yet Walter Perry argues that they are really an invitation to fraud and abuse. [May. 29, 2002]

Privacy and XML, Part 2 By Carlisle Adams, Paul Madsen
The second and concluding part of our look at XML and Privacy examines XML standards initiatives aimed at giving users and businesses control over privacy. [May. 1, 2002]

Privacy and XML, Part I By Carlisle Adams, Paul Madsen
This first installment of a two-part series on privacy and XML introduces the issues at stake in online privacy and gives an overview of privacy concepts. [Apr. 17, 2002]

Web Services Pitfalls By David Orchard
The web services vision of automated business sometimes sounds too good to be true. This article puts web services in the context of real business concerns, showing there's some way to go to achieve the vision. [Feb. 13, 2002]

Fat Protocols By Leigh Dodds
Leigh Dodds looks at recent discussions about the efficiency of XML-based distributed application frameworks. [Jan. 16, 2002]

Making XML Work in Business By Alan Kotok
In this report from the XML 2001 conference, Alan Kotok describes where XML is really working inside businesses. [Jan. 2, 2002]

Interoperate or Evaporate By Alan Kotok
Last week's business standards interoperability summit resulted in a clear message to standards groups from vendors: learn to work together or lose your support. [Dec. 12, 2001]

High Hopes for the Universal Business Language By Edd Dumbill
The Universal Business Language (UBL) is a new effort to standardize XML business documents, being spearheaded by Jon Bosak. In this interview, Bosak describes UBL's aims and its relationship to ebXML. [Nov. 7, 2001]

Modeling XML Vocabularies with UML: Part I By Dave Carlson
In the first of a three-part series Dave Carlson describes how UML can be put to use in modeling XML vocabularies. [Aug. 22, 2001]

An Introduction to XML Digital Signatures By Carlisle Adams, Paul Madsen, Ed Simon
The W3C and IETF's XML Signature specification allows the verification of the authenticity of XML-based transactions, a vital part of the emerging electronic business infrastructure. [Aug. 8, 2001]

P2P and XML in Business By Brian Buehling
An overview of the application of peer-to-peer technology in the enterprise, and the role played by XML. [Jul. 11, 2001]

ebXML: It Ain't Over 'til it's Over By Alan Kotok
The final meeting of the Electronic Business XML initiative in Vienna marked the 18-month deadline set for the project, yet there is still plenty left to do. [May. 16, 2001]

ebXML Ropes in SOAP By Alan Kotok
Our report on the latest happenings in ebXML covers their adoption of SOAP, and takes stock as ebXML nears the end of its project. [Apr. 4, 2001]

Converging Protocols By Leigh Dodds
Jon Bosak's comments at XML 2000 about the respective roles of ebXML and SOAP have sparked discussion on convergence between ebXML's transport, routing and packaging layer and the W3C's XML Protocol Activity. [Dec. 20, 2000]

Developers' Day at XML 2000 By Edd Dumbill
The XML Developers' Day at XML 2000, chaired by Jon Bosak, was composed of "late-breaking" developments in XML, and provided many valuable insights into developing XML systems. [Dec. 5, 2000]

ebXML: Assembling the Rubik's Cube By Alan Kotok
The fourth meeting of the Electronic Business XML working group sees the intiative make good progress. But will the group be able to meet its self-imposed 18-month deadline? [Aug. 16, 2000]

Even More Extensible By Alan Kotok
Since our first survey of XML business vocabularies in February this year, the number of entries in our tables has more than doubled, highlighting the large push forward in vertical and cross-industry standardization activity. [Aug. 2, 2000]

XML in News Syndication By Edd Dumbill
XML has found many applications in the news industry for overcoming the challenges posed by the Web. This article examines the technologies, and looks at the future of news syndication with XML. [Jul. 17, 2000]

eSyndication: Heterogeneity Rules! By Mani Manickam
Syndication is a growing force in Internet business, and XML is right at the heart of this new technology. This article looks at syndication applications and the requirements for a scalable syndication solution. [Jul. 17, 2000]

XML Portal Content Aggregation By Bryan Caporlette
Not all the information you need in your portal will be in XML. Sequoia's EXTRA schema allows routing of both XML and non-XML content into a portal server.  [May. 15, 2000]

Extensible and More By Alan Kotok
Two years after the XML 1.0 Recommendation, we see XML being applied in many areas—especially e-business. Alan Kotok takes a snapshot of XML e-business activity. [Feb. 23, 2000]

webMethods IPO Highlights Benefits Of Interoperability By Edd Dumbill
webMethods' IPO success underlines the promise of application interoperability through XML. But are vendors and standards bodies doing enough to promote XML interoperability?  [Feb. 16, 2000]

Object Design becomes eXcelon Corp. By Simon St. Laurent
XML is here to stay: Object Design has renamed itself after its flagship XML product, eXcelon. Simon St.Laurent reports on the name change and eXcelon Corp.'s new range of XML products. [Feb. 2, 2000]

XML E-Business Standards: Promises and Pitfalls By Robert Worden
The author analyzes the potential dangers of competing "standard" XML e-business vocabularies, and proposes a way forward that allows companies to tread a middle ground.  [Jan. 5, 2000]

Less Is More In E-Business: The XML/edi Group By David Webber, Alan Kotok
The XML/edi Group's "XML for E-Business Initiative" seeks to deliver on the promise of XML for the many businesses currently unable to use established electronic business mechanisms. In this article, the authors explain the initiative and argue strongly for simplicity in XML specifications. [Nov. 10, 1999]

Examining CommerceNet's eCo Framework By Edd Dumbill
The eCo Framework Project from CommerceNet will provide a fundamental level of integration and interoperability among e-commerce applications that are written for different vertical markets. Edd Dumbill analyzes the project's two key documents: the eCo Semantic Recommendations and the eCo Framework Specification.  [Oct. 27, 1999]

CBL: Ecommerce Componentry By Dale Dougherty
In this audio interview, Bob Glushko of Commerce One talks about the Common Business Library (CBL) as a set of building blocks for XML document types and schemas used in ecommerce. [Aug. 18, 1999]

XML is Helping to Solve Real Estate Problem By Lisa Rein
A key application for the real estate industry is using XML to promote the exchange and aggregation of information for buyers of residential properties. [Aug. 12, 1998]

Junglee Tries to Tame the Data Jungle By Mark Walter
Amazon.com's recent acquisition of Junglee has inspired us to dust off a detailed backgrounder by XML.com's managing editor Mark Walter describing the company's products. [Aug. 5, 1998]

Introducing E4X By Kurt Cagle
Kurt Cagle introduces us to E4X, an XML library for JavaScript, and argues that XML and JSON are both indispensable parts of the web app developer's toolkit. [Nov. 30, 2007]

jQuery and XML By Uche Ogbuji
Uche Ogbuji returns with a new Agile Web column to explain how to use jQuery to process XML in JavaScript web applications. [Oct. 15, 2007]

Extended XQuery for SOA By Dino Fancellu, Edmund Gimzewski
Web service orchestration is an important part of web services and service oriented architecture. Gimzewski and Fancellu argue that XQuery is especially well-suited as an implementation language for service orchestrator components. [Sep. 14, 2007]

Introducing OpenSearch By Uche Ogbuji
Uche Ogbuji's Agile Web column returns with an introduction to OpenSearch, an Atom-friendly format for describing and discovering search engines and query endpoints on the Web in a RESTful way. [Jul. 24, 2007]

Introducing RDFa, Part Two By Bob DuCharme
In this second part of a two-part series, Bob DuCharme concludes his introduction of RDFa--a new, XHTML-friendly standard syntax for RDF metadata that allows you to embed RDF metadata into the Web in a novel way. [Apr. 4, 2007]

Introducing RDFa By Bob DuCharme
In this first part of a two-part series, Bob DuCharme introduces us to RDFa, a new, XHTML-friendly standard syntax for RDF metadata that allows you to embed RDF metadata into the Web in a novel way. [Feb. 14, 2007]

What's New in Prototype 1.5? By Scott Raymond
Scott Raymond, author of Ajax on Rails, gives us a comprehensive look at what's new in one of the fundamental Javascript libraries, Prototype. [Jan. 24, 2007]

Making XML in a Rails App By Deepak Vohra
Deepak Vohra shows us how to generate XML in a database-backed Rails app using XML Builder. [Jan. 17, 2007]

Developing an OpenLaszlo App By Sreekumar Parameswaran Pillai
In this week's article, Sreekumar Pillai returns with a more detailed description of using OpenLaszlo to actually build a real application. [Oct. 18, 2006]

Introducing OpenLaszlo By Sreekumar Parameswaran Pillai
This week, Sreekumar Pillai begins a two-part series on OpenLaszlo, a zero-install platform for rich web applications. In this first part, Pillai introduces the OpenLaszlo Hello World app. [Oct. 11, 2006]

Introducing WSGI: Python's Secret Web Weapon, Part Two By James Gardner
In Part Two, James Gardner completes his introduction of WSGI, the new Python standard for building reusable web-framework components. [Oct. 4, 2006]

Introducing WSGI: Python's Secret Web Weapon By James Gardner
James Gardner introduces WSGI, the new Python standard for building reusable web-framework components, which just may turn out to be Python's secret web weapon. [Sep. 27, 2006]

RSS and AJAX: A Simple News Reader By Paul Sobocinski
Paul Sobocinski combines RSS and AJAX to build a simple, in-browser news reader that you can deploy on any website. [Sep. 13, 2006]

Generating RSS with XSLT and Amazon ECS By Craig Noeldner, Brian Swan
Craig Noeldner and Brian Swan show us how to generate RSS feeds using the XSLT web service offered by Amazon's ECS. [Aug. 30, 2006]

Implementing the Atom Publishing Protocol By Joe Gregorio
Joe Gregorio's latest Restful Web column implements the Atom Publishing Protocol as a Python web service using WSGI. [Jul. 19, 2006]

Google Web Toolkit By Bruce Perry
Bruce Perry's latest piece introduces GWT, the Google Web Toolkit, which is a kind of Java to Ajax compiler. It's a very interesting new development in the world of very interactive web apps. [Jul. 12, 2006]

Scaling Up with XQuery, Part 2 By Bob DuCharme
In Part 2 of this article, Bob DuCharme covers the eXist and Berkeley DB XML implementations of XQuery, showing us how to use them to query a large XML data collection. [Jun. 21, 2006]

Scaling Up with XQuery, Part 1 By Bob DuCharme
In Part 1 of this two-part article, Bob DuCharme shows us how to use three popular XQuery implementations to access and query large XML document collections, which is, as he says, "where the real fun begins." [Jun. 14, 2006]

Object-oriented JavaScript By Greg Brown
Greg Brown explains how to use basic object-oriented techniques to build more robust AJAX applications. [Jun. 7, 2006]

Converting Between XML and JSON By Stefan Goessner
Stefan Goessner shows us how to convert between XML and JSON, offering a pragmatic approach to data sharing and conversion between two very popular data formats. [May. 31, 2006]

ExplorerCanvas: Interactive Web Apps By Dave Hoover
Dave Hoover returns with an update about canvas-powered web apps, adding interactivity to the method he described in his Supertrain article. [May. 10, 2006]

An AJAX Caching Strategy By Bruce Perry
Bruce Perry returns with another AJAX hack; this time he shows us how to use HTTP caching to support an AJAX-enabled web client.  [May. 3, 2006]

Prototype: Easing AJAX's Pain By Bruce Perry
Bruce Perry introduces us to Prototype, a JavaScript library that makes AJAX development faster and easier. [Apr. 5, 2006]

httplib2: HTTP Persistence and Authentication By Joe Gregorio
In this latest Restful Web column, Joe Gregorio explains HTTP persistent connections, pipelining, and the sad state of HTTP authentication. [Mar. 29, 2006]

Seattle Movie Finder: An AJAX- and REST-Powered Virtual Earth Mashup By Dare Obasanjo
Dare Obasanjo shows us how to use Microsoft's Virtual Earth service in an AJAX-powered mashup that locates movies and theaters in Seattle. [Mar. 1, 2006]

ROME in a Day: Parse and Publish Feeds in Java By Mark Woodman
Mark Woodman returns with an introduction to ROME, a Java library for handling syndication feed formats RSS and Atom. [Feb. 22, 2006]

Hacking the XML in Your TiVo By Bob DuCharme
Bob DuCharme's latest article shows us how to query a networked TiVo for XML using a REST interface over HTTP. Bob then shows us how to use Atom to syndicate our TV habits and integrate them with our weblogs via the "TiVoRoll." [Feb. 15, 2006]

Doing HTTP Caching Right: Introducing httplib2 By Joe Gregorio
In the latest installment of Joe Gregorio's The Restful Web column Joe goes a bit nuts, presenting httplib2, a Python HTTP client library written with the goal of doing caching in HTTP right. [Feb. 1, 2006]

Tuning AJAX By Dave Johnson
AJAX is all the rage and it's being used for non-trivial applications. But do you know what's fast and what's slow in AJAX? Get ready to tune your AJAX apps. [Nov. 30, 2005]

Introducing SPARQL: Querying the Semantic Web By Leigh Dodds
Leigh Dodds presents the first of a multipart tutorial on SPARQL, a query language for RDF and the Semantic Web, which may also play a role in Web 2.0 apps and services. [Nov. 16, 2005]

REXML: Processing XML in Ruby By Koen Vervloesem
Ruby web apps, including those built with Rails, don't always use XML to represent data. But sometimes you just don't have a choice. Koen Vervloesem shows us how to process XML in Ruby using Ruby Electric XML (REXML). [Nov. 9, 2005]

Fixing AJAX: XMLHttpRequest Considered Harmful By Jason Levitt
Jason Levitt shows us how to work around XmlHttpRequest restrictions in order to get more joy from third-party web services. [Nov. 9, 2005]

Hacking Maps with the Google Maps API By Hari Gottipati
Hari K. Gottipati introduces the Google Maps API and describes how to use it to build interactive mapping applications for the Web. [Aug. 10, 2005]

Versa: Path-Based RDF Query Language By Chimezie Ogbuji
Chimezie Ogbuji describes Versa, one of the first RDF query languages to be pathcentric, taking cues from XPath. [Jul. 20, 2005]

A Bright, Shiny Service: Sparklines By Joe Gregorio
Joe Gregorio describes how to implement a sparklines web service and web application, and also provides Python and Javascript code for both. Very Web 2.0! [Jun. 22, 2005]

Introducing SKOS By Peter Mikhalenko
Peter Mikhalenko introduces SKOS, a W3C standard for using RDF to represent thesauri, taxonomies, and other information space structures. [Jun. 22, 2005]

More Unicode Secrets By Uche Ogbuji
In this month's Python and XML column, Uche Ogbuji continues his discussion of Unicode secrets with regard to XML processing in Python, especially BOMs and stream objects. [Jun. 15, 2005]

Just Use Media Types? By Joe Gregorio
In his latest Restful Web column, Joe Gregorio implements a set of Python functions for doing the right thing--analyzing, parsing, and matching--with HTTP request media types. [Jun. 8, 2005]

Making Old Things New Again By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji examines some of the new XML document creation features in Amara and 4Suite. [Apr. 20, 2005]

Hacking Oscar! By Howard Katz
In this first part of a two-part series, Howard Katz, XQuery guru to the stars, uses XQuery to build a database of trivia related to the Academy Awards. [Mar. 23, 2005]

Getting Started with XQuery, Part 2 By Bob DuCharme
Bob DuCharme, our intrepid XSLT explorer, continues his introduction of XQuery, the new programming language for XML. [Mar. 23, 2005]

Models with Character By Micah Dubinko
Micah Dubinko tallies up the score in the new W3C specification, called "charmod" colloquially, about the use of Unicode in XML applications. [Mar. 9, 2005]

Show Me the Code By Joe Gregorio
Joe Gregorio returns with another Restful Web column, taking up the issue of designing a REST protocol for your application. [Mar. 2, 2005]

Getting Started with XQuery By Bob DuCharme
Bob DuCharme, our intrepid XSLT explorer, turns his attentions to XQuery, the new programming language for XML. [Mar. 2, 2005]

Sarissa to the Rescue By Emmanouil Batsis
Want to build very dynamic web interfaces like Google? Then you'll need to manage cross-browser XML compatability issues. And you'll need Sarissa. [Feb. 23, 2005]

Very Dynamic Web Interfaces By Drew McLellan
Drew McLellan explains how to use XMLHTTPRequest and Javascript to create web applications with very dynamic, smooth interfaces. [Feb. 9, 2005]

Introducing Comega By Dare Obasanjo
Dare Obasanjo explains some of the ways in which Cω--a new language from Microsoft Research--makes XML processing easier and more natural. [Jan. 12, 2005]

Fun with Amazon's Simple Queue Service By Jason Levitt
Jason Levitt offers a detailed introduction to Amazon's Simple Queue Service (SQS), as well as a sample chat room application using client-side Javascript and Amazon's SQS. [Jan. 5, 2005]

Mapping and Markup, Part 2 By John E. Simpson
In the final part of his XML Tourist column's exploration of GML, John E. Simpson introduces us to the component schema parts as well as to some GML software. [Dec. 29, 2004]

XML Namespace Processing in Apache By Nick Kew
Nick Kew introduces the Apache XML Namespace API for use in building mix-and-match XML Namespace-aware applications for the Web in Apache. [Dec. 15, 2004]

XSLT Web Service Clients By Bob DuCharme
Bob DuCharme shows how easily XSLT processors can retrieve and use data from RESTful web services. [Dec. 1, 2004]

How to Create a REST Protocol By Joe Gregorio
In his first installment of XML.com's new column, The Restful Web, Joe Gregorio, one of the people behind Atom, explains how to use REST to create an application protocol in four easy steps. [Dec. 1, 2004]

Location, Location, Location By Uche Ogbuji
Uche Ogbuji's Python and XML column this month describes some techniques for determing node or parse event locations, expressed in XPath, when parsing XML with DOM or SAX.  [Nov. 24, 2004]

Hacking iTunes By Niel Bornstein
Niel Bornstein, Mono and C# hacker extraordinaire, returns with a look at Apple's iTunes service and XML vocabulary, connecting iTunes to Google and Amazon. [Nov. 3, 2004]

Extensibility, XML Vocabularies, and XML Schema By David Orchard
David Orchard returns to the issue of extending and v ersioning XML vocabularies, adding new information about language questions and the relationship between versioning and extensibility. [Oct. 27, 2004]

Implementing XML Signatures in WSS4J By Bilal Siddiqui
Bulding on previous Java Web Services Security columns, Bilal Siddiqui shows us how to implement XML signature support. [Oct. 20, 2004]

Implementing XML Signatures in WSS4J-Backup By Bilal Siddiqui
Bulding on previous Java Web Services Security columns, Bilal Siddiqui shows us how to implement XML signature support. [Oct. 20, 2004]

Introduction to Device Independence, Part 2 By Peter Mikhalenko
In the second part of his introduction to device independence, Peter Mikhalenko offers some practical guidance to delivering device-independent content. [Oct. 6, 2004]

Automated Tree Drawing: XSLT and SVG By Jirka Kosek
Jirka Kosek describes a technique for creating graphics of tree structures from a simple textual syntax using SVG and XSLT. [Sep. 8, 2004]

Designing Extensible, Versionable XML Formats By Dare Obasanjo
Dare Obasanjo explores the issues surrounding the design of extensible, versionable XML vocabularies. [Jul. 21, 2004]

XML on the Web Has Failed By Mark Pilgrim
In Mark Pilgrim's latest Dive into XML column he argues that most XML on the Web has failed utterly, miserably, completely. [Jul. 21, 2004]

XKMS Messages in Detail By Rich Salz
In Rich Salz's latest column he examines the structure of XKMS messages in greater detail. [Apr. 7, 2004]

Normalizing Syndicated Feed Content By Mark Pilgrim
In Mark Pilgrim's latest Dive Into XML column he dives into the deep waters to explain how to normalize the content of syndicated feeds. [Apr. 7, 2004]

Building Dictionaries With SAX By Uche Ogbuji
In Uche Ogbuji's latest Python and XML column he describes an optimization technique for speeding up Python XML applications by using SAX to build specialized Python dictionaries. [Jan. 14, 2004]

Trees, Temporarily By Bob DuCharme
In his latest Transforming XML column Bob DuCharme explains XSLT 2.0's Temporary Trees, and then he demonstrates how to use them. [Dec. 3, 2003]

Overriding Concerns By John E. Simpson
In his latest XML Q&A column John E. Simpson answers a question about merging XML files with XSLT. [Nov. 26, 2003]

More Gems From the Mines By Uche Ogbuji
In his latest Python and XML column Uche Ogbuji presents new gems from the archives of the main Python-XML mailing list, again focusing on XML output. [Nov. 12, 2003]

The Atom API By Mark Pilgrim
In his latest Dive into XML column Mark Pilgrim explains the basic operations of the Atom API, with special reference to the precedent APIs. [Oct. 15, 2003]

Namespaces, Name With Spaces, and Attribute Values By John E. Simpson
In this month's XML Q&A column John Simpson answers questions about namespace prefixes and the legality of XML element names that include spaces. [Oct. 8, 2003]

New and Improved String Handling By Bob DuCharme
In this month's Transforming XML column Bob DuCharme explains some of the new and improved string handling functions -- for concatenation, search, and replace -- in XSLT/XPath 2.0. [Aug. 6, 2003]

Comments in a "No comment" World By John E. Simpson
In this month's XML Q&A column, John E. Simpson examines two issues related to documentation of, and comments in, XML documents and schemas. [Jul. 30, 2003]

Finding IDs By John E. Simpson
In this month's XML Q&A column, John E. Simpson answers questions about XPath, XSLT, and ID attributes, as well as updates last month's column about the XML Resume Library. [Jun. 25, 2003]

XML Data Bindings in Python By Uche Ogbuji
In the latest Python and XML column Uche Ogbuji considers Python data bindings for XML, including generateDS, a script which builds Python bindings from a WXS instance. [Jun. 11, 2003]

Using libxml in Python By Uche Ogbuji
In Uche Ogbuji's latest Python and XML column he introduces libxml, a popular and well-designed low-level XML library, paying particular attention to its Python bindings. [May. 14, 2003]

Gems From the Archives By Uche Ogbuji
In this month's Python and XML column Uche Ogbuji hunts for treasures in the archives of the Python XML SIG, locating interesting tidbits for producing and displaying XML. [Apr. 9, 2003]

Conditional Execution By Bob DuCharme
In Bob DuCharme's latest Transforming XML column, he explains how to use xsl:if and xsl:choose for conditional execution in XSLT transformations. [Apr. 2, 2003]

Using SAX for Proper XML Output By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji explains how to use SAX to generate proper XML output from Python programs. [Mar. 12, 2003]

Simple XML Processing With elementtree By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji introduces Fred Lundh's elementtree, a very pythonic way of processing XML. [Feb. 12, 2003]

Generating DOM Magic By Uche Ogbuji
In the first Python and XML column of the new year, Uche Ogbuji describes how to use Python generators in DOM processing.  [Jan. 8, 2003]

Proper XML Output in Python By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji explores the intricacies of creating proper XML output in Python, including character set and encoding issues. [Nov. 13, 2002]

Automatic Numbering, Part 1 By Bob DuCharme
In this month's Transforming XML column Bob Ducharme explains the use of xsl:number in handling numbers in XSLT stylesheets. [Nov. 6, 2002]

A Tour of 4Suite By Uche Ogbuji
In this installment of Python and XML, Uche Ogbuji provides a tour of the core XML processing facilities of 4Suite.  [Oct. 16, 2002]

Introducing PyXML By Uche Ogbuji
In the second Python and XML column, Uche Ogbuji introduces PyXML, the add-on XML library which builds upon Python's core XML support. [Sep. 25, 2002]

Finding the First, Last, Biggest, Smallest By Bob DuCharme
In this month's Transforming XML column, Bob DuCharme explains how to do without a query language using XPath expressions, XSLT predicates, and last month's sorting tricks, he explains how to find the first, last, biggest and smallest nodes. [Aug. 7, 2002]

Of Grouping, Counting, and Context By John E. Simpson
In this month's Q&A column, John Simpson examines the use of XSLT keys for grouping and the count() function. [Jul. 31, 2002]

Sorting in XSLT By Bob DuCharme
In this month's Transforming XML column, Bob DuCharme explains the various uses of xsl:sort, including sort ordering, multiple keys, and reversing the sort. [Jul. 3, 2002]

Pull Parsing in C# and Java By Niel Bornstein
Niel Bornstein demonstrates the .NET C# XML "pull parser" from Microsoft, and then ports the program to use on of the several pull parsers available for Java, comparing the two languages. [May. 22, 2002]

Building XML-RPC Clients in C By Joe Johnston
In this article, Eric Kidd's XML-RPC C library is used to build a simple, yet powerful debugging client. Special care is taken to bring programmers with rusty C-hacking skills up to speed. [Oct. 31, 2001]

Valid Frustrations By John E. Simpson
John Simpson talks about some of the limits of DTD content models, suggesting an interesting XSLT-based alternative. [Sep. 26, 2001]

Nobody Asked Me, But... By John E. Simpson
John Simpson asks and answers the questions no one ever asks about XML, uncovering some interesting tidbits. [Aug. 29, 2001]

Preview: O'Reilly XTech 2001 Conference on XML By Edd Dumbill
O'Reilly's XTech 2001 will be held from July 23-27 in San Diego, California. The conference chair, Edd Dumbill, previews this essential meeting for XML developers. [Jun. 20, 2001]

Mapping DTDs to Databases By Ronald Bourret
This in-depth article describes best practice for mapping XML documents to databases. [May. 9, 2001]

XSLT Surgery By John E. Simpson
This month our question and answer columns covers XSLT issues, from using multiple languages to styling third party content. [Apr. 25, 2001]

Answering the Namespace Riddle By Leigh Dodds
Dodds introduces RDDL, the Resource Directory Description Language, the result of a recent project conducted by the XML developer community to make XML namespaces easier to use. [Feb. 28, 2001]

Entities: Handling Special Content By John E. Simpson
This month's XML Q&A column tackles the issues of including "special characters" and non-XML content in your XML documents. [Jan. 31, 2001]

XSLT, Comments and Processing Instructions By Bob DuCharme
XSLT isn't just for transforming elements and attributes. In this month's Transforming XML column we show how to create and transform processing instructions and comments too. [Sep. 13, 2000]

The Making of the DocBook DTD By Dale Dougherty
The DocBook DTD grew out of the Davenport Group, and many of the people who contributed to this DTD for computer documentation have gone on to take leading roles in XML development.  [Oct. 20, 1999]

Using XML for Object Persistence By Ralf Westphal
In this tutorial on object persistence and XML, Ralf Westphal explains object persistence and details some of the issues involved in maintaining an object's data, hierarchy, and structure. He then shows how to create your own XML data format for serializing objects. [Sep. 8, 1999]

What Is a Schema By Norman Walsh
In the context of XML, a schema describes a model for a whole class of documents. [Jul. 1, 1999]

Validity By Norman Walsh
What does it mean for a document to be valid? [Jul. 1, 1999]

Syntax By Norman Walsh
What does an XML schema look like, then? [Jul. 1, 1999]

DTDs By Norman Walsh
Aren't DTDs the Schema for XML? [Jul. 1, 1999]

Getting Started with XML Programming, Part II By Norman Walsh
Norman Walsh looks at how to program to use the DOM as programming-language-independent interface to documents. He shows how to interact with the DOM using Java. [May. 5, 1999]

P3P: An Emerging Privacy Standard By Lisa Rein
The W3C has released the latest draft of a privacy protocol that should let agents work smoothly between browsers and web sites, in accordance with the user's preferences. Also, Microsoft and Trust-E have developed a wizard to help site owners create privacy guidelines. [May. 5, 1999]

Getting Started with XML Programming By Norman Walsh
How is processing an XML document really different than processing a plain old text file? [Apr. 21, 1999]

An Introduction to 3DML By Tim Bray
A detailed description of this alternative to VRML. [Jan. 19, 1999]

Understanding XSL By Norman Walsh
In part 3 of this tour of XSL, Norm looks at the XSL features needed to write a simple style sheet, and provides some exercises for continued learning about XSL. [Jan. 19, 1999]

XML Namespaces by Example By Tim Bray
The hows and whys of XML namespaces explained by a co-author of the specification, XML.com's technical editor Tim Bray. [Jan. 19, 1999]

A Technical Introduction to XML By Norman Walsh
What is XML? This introduction to XML is geared towards a reader with some HTML or SGML experience, although that experience is not absolutely necessary. This article is an update to A Guide to XML, which originally appeared in the Winter 1997 edition of the World Wide Web Journal.  [Oct. 3, 1998]

What Is XML By Norman Walsh
Learn the basics of XML in this tutorial, suitable for beginners with XML. [Oct. 3, 1998]

What Do XML Documents Look Like? By Norman Walsh
Part of our introduction to the basics of XML, suitable for beginners. [Oct. 3, 1998]

Validity By Norman Walsh
 [Oct. 3, 1998]

Pulling the Pieces Together By Norman Walsh
 [Oct. 3, 1998]

Appendix: Extended Backus-Naur Form (EBNF) By Norman Walsh
 [Oct. 3, 1998]

Building the Annotated XML Specification By Tim Bray
XML.com's technical editor explains the conceptual design and syntactical execution of our popular Annotated XML Specification. [Sep. 12, 1998]

How the Annotated XML Specification Works By Tim Bray
Tim describes the architecture of the AXML system and the design decisions he made. [Sep. 12, 1998]

Entities: What are They Good For? By Norman Walsh
What are entities in XML documents and how do I use them? The XML Q&A column has the answers. [Aug. 28, 1998]

Types of Entities By Norman Walsh
Part 1 of Norman Walsh's XML Q&A column on entities. [Aug. 28, 1998]

Entity Declarations, Attributes and Expansion By Norman Walsh
Part 2 of Norman Walsh's XML Q&A column on entities. [Aug. 28, 1998]

Handling Binary Data in XML Documents By Lisa Rein
Binary data can present some interesting problems. This article looks at ways to support binary data such as images in XML documents. [Jul. 24, 1998]

An Introduction to XML Linking An introduction to the features and benefits of the XML Linking Language specification, by its co-editor Eve Maler. This is a RealAudio presentation. [Jun. 10, 1998]

The Annotated XML Specification By Tim Bray, Jean Paoli, C.M. Sperberg-McQueen
If you want to understand XML, you have to read the specification. However, to really get inside the specification and understand why it says what it does, you need an expert guide. Tim Bray, co-editor of the XML 1.0 specification, shares his knowledge and insights about XML, SGML and the working group behind the specification in this annotated version of the document. [Apr. 15, 1998]

A Guide to XML By Norman Walsh
If you are looking for a good overview of XML, with sufficient technical detail, then this article from the World Wide Web Journal is a good place to start. [Oct. 2, 1997]

XML: From Bytes to Characters By Bert Bos
This article defines, in some detail, how text is stored in an XML file. It also describes how an XML file is encoded for transportation over the Internet, and upon arrival, decoded again. [Oct. 2, 1997]

Schema Binding for Java Web Services By Mitch Gitman
Thanks to the use of W3C XML Schema in WSDL descriptions, data binding can be used to implement web services in Java. We examine some implementation strategies. [May. 26, 2004]

Implementing XML Encryption in Java By Bilal Siddiqui
In the third of his series on Web Services Security for Java, Bilal Siddiqui joins together the pieces and adds XML encryption support to his WSS4J project. [Apr. 21, 2004]

Using XSS4J for XML Encryption By Bilal Siddiqui
In the second part of his series on implementing web services security, Bilal Siddiqui introduces IBM alphaWorks' XML Security Suite for Java. [Nov. 25, 2003]

Web Services Security for Java By Bilal Siddiqui
This first article in a new column by Bilal Siddiqui embarks upon deploying web services security. Siddiqui introduces the use cases for a Java web service security API, and begins its implementation. [Oct. 28, 2003]

Low Bandwidth SOAP By Jeff McHugh
Using web services on low resource J2ME devices is possible through Enhydra.org's KSOAP classes. This article shows you how to create lightweight web service clients and servers. [Aug. 19, 2003]

Rendezvous with Web Services By Massimiliano Bigatti
ZeroConf technology, also known as Rendezvous, is a winning combination with web services, says Max Bigatti. He demonstrates an example file sharing application that uses Java, SOAP and Rendezvous. [Jun. 24, 2003]

Using Python, Jython, and Lucene to Search Outlook Email By Jon Udell
Ever had trouble finding a particular email? So did Jon Udell, so he put together Python, Jython and Lucene in order to create a local web service that indexed his Microsoft Outlook mail store. [May. 13, 2003]

XML Forms, Web Services and Apache Cocoon By Ivelin Ivanov
Server side business logic is often invariant with respect to the client device. Ivelin Ivanov shows how the Cocoon XMLForm framework addresses the concern of separating the purpose from the presentation of a form, maximizing its reusability for a variety of client devices.  [Jan. 29, 2003]

Linkin' Park By Edd Dumbill
One of the original trinity of XML specs, XML linking has largely failed. Can, and should, we fix it? [Oct. 27, 2004]

The Atom Link Model By Mark Pilgrim
In Mark Pilgrim's latest Dive Into XML column he explains the Atom linking model, which is based on the familiar HTML linking model but is more expressive and more flexible. [Jun. 16, 2004]

Prototyping One-to-many Links with XSLT By Bob DuCharme
In his latest Transforming XML adventure, Bob DuCharme explains how to use XSLT to experiment with one-to-many hypertext links. [Mar. 5, 2003]

The Return of XML Hypertext By Kendall Grant Clark
Kendall Clark reports on the creation of a new mailing list focused on the use of XML for hypertext. [Jan. 22, 2003]

Creative Comments: On the Uses and Abuses of Markup By Kendall Grant Clark
The way Creative Commons recommends linking its machine-readable licenses into HTML pages makes little sense, says Kendall Clark, and proposes alternatives. [Jan. 15, 2003]

"Displaying" XLinks? By John E. Simpson
John E. Simpson, in his latest XML Q&A column, discusses how to make XML applications XLink-aware. [Jan. 2, 2003]

TAG Rejects HLink By Kendall Grant Clark
Kendall Clark reports on the rejection by the W3C's Technical Architecture Group of the XHTML Working Group's HLink linking specification. [Oct. 2, 2002]

Introducing HLink By Kendall Grant Clark
Kendall Clark provides an introduction to HLink, the linking language invented by the XHTML 2.0 Working Group as an alternative to XLink. [Sep. 25, 2002]

Using XInclude By Elliotte Rusty Harold
Noted XML author Elliotte Rusty Harold gives an overview of XInclude, an emerging W3C specification for building large XML documents out of multiple well-formed XML documents. [Jul. 31, 2002]

Enforcing Association Cardinality By Will Provost
In the first of our "XML Schema Clinic" series, we look at the ways that the cardinality of associations between XML elements can be controlled using W3C XML Schema. [Jun. 26, 2002]

Cataloging XML Vocabularies By Eric van der Vlist
Eric van der Vlist presents a way to ease publicising and choosing between different XML vocabularies. [Jun. 26, 2002]

Google's Gaffe By Paul Prescod
Paul Prescod explains why moving its API to use SOAP was a backward step for the popular search engine, and argues for a return to a pure HTTP and XML interface. [Apr. 24, 2002]

XLink: Who Cares? By Bob DuCharme
XLink was part of the original plan for XML, along with XSL, but has taken a long time to reach completion and has inspired few implementations. Bob DuCharme asks why. [Mar. 13, 2002]

Making Links, Breaking Entities By John E. Simpson
This month's XML Q&A column answers questions about making links with XSLT and doing without entities in XML Schemas. [Feb. 27, 2002]

Identity Crisis By Leigh Dodds
Leigh Dodds describes the recent XML developer community's debate about the best way to fix XML's ID attribute problem. [Nov. 7, 2001]

XPointer and the Patent By Leigh Dodds
Does a Sun patent threaten the future of hypertext on the web, or are XML developers getting unnecessarily alarmed by the licensing terms on the XPointer spec? The XML-Deviant reports. [Jan. 17, 2001]

XML Linking Technologies By Eric van der Vlist
XML's flexibility provides many ways of approaching the problem of creating links between nodes. Using practical examples, this article surveys linking in XML from containment through to RDF and XLink. [Oct. 4, 2000]

What Is XLink By Fabio Arciniegas A.
XLink is an XML specification for describing links between resources in XML. Our introduction shows you how to get to grips with using XLinks in your own documents. [Sep. 18, 2000]

Creating an HTML/WML Portal By Didier Martin
With the explosion in alternative browsing devices, portals need to present more than one representation of their content. Didier Martin demonstrates how to build your own XML-driven portal. [May. 15, 2000]

On Display: XML Web Pages with Internet Explorer 5.x By Simon St. Laurent
Completing our survey of XML browsing support, we take a look at Microsoft's Internet Explorer, and attempt to create a cross-browser XML document that works in Mozilla, Opera, and MSIE. [May. 2, 2000]

On Display: XML Web Pages with Opera 4.0 By Simon St. Laurent
In the second of our series examining XML display support in browsers, Simon St.Laurent investigates how Opera 4 compares to Mozilla. [Apr. 19, 2000]

Integration by Parts: XSLT, XLink and SVG By Didier Martin
Didier Martin gives us a practical demonstration of the power of XSLT, XLink and SVG, bringing them together to generate interactive, illustrated, technical documentation. [Mar. 22, 2000]

Bleeding-Edge XML: XLink and Apache By Edd Dumbill
In the first of our reports from XTech 2000, we examine the XLink specification and learn about XML web publishing from the Apache XML Project. [Feb. 28, 2000]

Component-Based Page Layouts By Didier Martin
Combining XHTML, XSLT and XLink can be a powerful way to construct web page layouts. Adding a splash of SVG for good measure, Didier Martin challenges us to experiment. [Feb. 16, 2000]

Links That Are More Valuable Than the Information They Link? By Bob DuCharme
Traditional databases have had them for years, and soon people will make money selling Web links. [Jul. 25, 1998]

An Introduction to XML Linking An introduction to the features and benefits of the XML Linking Language specification, by its co-editor Eve Maler. This is a RealAudio presentation. [Jun. 10, 1998]

XML Linking By Tim Bray, Steve J. DeRose
This document specifies a simple set of constructs that may be inserted into XML documents to describe links between objects and to support addressing into the internal structures of XML documents. It is a goal to use the power of XML to create a structure that can describe the simple unidirectional hyperlinks of today's HTML as well as more sophisticated multi-ended, typed, self-describing links. [Oct. 2, 1997]

Under the Hood: Oracle Berkeley DB XML By Deepak Vohra
XML Databases, coupled with the power of XQuery, offer a potentially paradigm-changing way of dealing with data. The Oracle Berkeley DB XML database provides a rich XQuery-based engine that can be manipulated via XQuery, opening up possibilities for any web developer.  [May. 7, 2008]

What Is RDF By Joshua Tauberer
Joshua Tauberer updates the classic XML.com article "What Is RDF" by rewriting it from scratch. Tauberer claims that RDF is more relevant than ever in the world of Web 2.0. [Jul. 26, 2006]

Microformats in Context By Uche Ogbuji
Uche Ogbuji takes a careful look at microformats and concludes that while, in practice, they suffer from serious non-trivial problems, the basic idea offers an interesting basis upon which to build interesting data formats, particularly in conjunction with complementary technologies. [Apr. 26, 2006]

RSS Feeds for FTP Servers By Mark Woodman
Mark Woodman returns with another interesting RSS application: he describes a PHP library for creating RSS feeds for FTP sites. Old-school FTP meets new-school RSS! [Mar. 22, 2006]

GovTrack.us, Public Data, and the Semantic Web By Joshua Tauberer
Joshua Tauberer takes over XML.com's Hacking Congress column to explain how he's using RDF and the Semantic Web to build a site that organizes U.S. federal government data. [Feb. 8, 2006]

Eat Drink Feel Good Markup Language By Aaron Straup Cope
Aaron Straup Cope describes the pros and cons of making his Eatdrinkfeelgood Markup Language more RDF compatible. [Feb. 16, 2005]

An Introduction to TMAPI By Robert Barta, Oliver Leimig
TMAPI, a Java Topic Map API, is the standard way to interact with XML Topic Maps programmatically from Java. This article provides a tutorial for TMAPI.  [Feb. 2, 2005]

SIMILE: Practical Metadata for the Semantic Web By Stephen Garland, Ryan Lee, Stefano Mazzocchi
Digital libraries and generic metadata form part of the background assumptions and forward-looking goals of the Semantic Web. SIMILE is an interesting project aimed at realizing some of those goals. [Jan. 26, 2005]

Formal Taxonomies for the U.S. Government By Michael Daconta
Mike Daconta, Metadata Program Manager at the Department of Homeland Security, introduces the notion of a formal taxonomy in the context of the Federal Enteriprise Architecture's Data Reference Model. [Jan. 26, 2005]

Of Presidents and Ontologies By Paul Ford
At the pinnacle of election season in the U.S., Paul Ford returns with another Hacking Congress column. This time, Ford says things about the President using RDF and explains why the Semantic Web is about more than ontologies. [Nov. 3, 2004]

Stuck in the Senate By Paul Ford
Paul Ford discovers that creating a clean RDF representation of the United States Senate is harder than he thought, and goes back to fix his mistakes, delving into the mysterious world of URNs along the way. [Oct. 13, 2004]

Lady and the Tramp By Edd Dumbill
If XML's the Lady, then RSS is the Tramp. But while RSS is energetically being refined and embraced, the Lady's ossifying rapidly. [Sep. 29, 2004]

XMP Lowdown By Bob DuCharme
Bob DuCharme introduces XMP, Adobe's RDF-based specification for embedding metadata into digital artifacts. Get ready to mark up your photos and images with Adobe tools. [Sep. 22, 2004]

Screenscraping the Senate By Paul Ford
In Paul Ford's first Hacking Congress column, he shows us how to turn information on the U.S. Senate site into RDF. [Sep. 1, 2004]

All Roads Lead to RDF By Edd Dumbill
A recent article by Mark Nottingham suggests that RDF may well be the answer to the difficulties inherent in specifying web services with W3C XML Schema. Edd Dumbill reports. [Aug. 11, 2004]

Misconceive Early, Misconceive Often By Edd Dumbill
Our XML community column examines the fallout from Mark Pilgrim's claim that XML on the Web has failed; plus the emerging use of an alternative to URIs in RDF. [Aug. 4, 2004]

Something Useful This Way Comes By Kendall Grant Clark
The Semantic Web appears to be powering ahead: so why are there so many doubters in the XML world? [Jun. 9, 2004]

To Tag or Not to Tag By Patrick O'Kelley
The fascinating story of the new world of opportunities opened by bringing the New Variorum Shakespeare Editions into XML. [May. 26, 2004]

WWW2004 Semantic Web Roundup By Paul Ford
Reporting from the WWW 2004 conference, Paul Ford surveys the state of the art in client and server side semantic web technology. [May. 26, 2004]

Berners-Lee Keeps WWW2004 Focused on Semantic Web By Paul Ford
Delivering the opening keynote to the WWW2004 conference in New York, Tim Berners-Lee encouraged developers to aggressively adopt RDF. [May. 20, 2004]

The Beauty of REST By Jon Udell
Through his LibraryLookup project, Jon Udell finds that you don't need to understand what REST is in order to benefit from its use in a system. [Mar. 17, 2004]

The Library of Congress Comes Home By Kendall Grant Clark
Embarking on his journey to organize our media collections, Kendall Clark explains how the Library of Congress classification system can be brought into our homes. [Mar. 17, 2004]

Geeks and the Dijalog Lifestyle By Kendall Grant Clark
Much as we'd like, our personal media collections will never be purely digital. Kendall Clark embarks on a new column dedicated to the application of geek know-how to managing the hybrid analog and digital media collections that we own. [Feb. 18, 2004]

Googling for XML By Bob DuCharme
Google's index includes well over a million XML files. Bob DuCharme shows some strategies for using Google to find the XML, RSS and RDF files that you want. [Feb. 11, 2004]

Combining RELAX NG and Schematron By Eddie Robertsson
Eddie Robertsson explains how RELAX NG and Schematron can be mixed in a single schema to get the combined validation power of both languages. [Feb. 11, 2004]

An Introduction to FOAF By Leigh Dodds
Friend-of-a-friend, FOAF, is an RDF vocabulary for machine-readable homepages. It enables the expression of decentralized social networks akin to the centralized ones seen in Friendster and Orkut. Leigh Dodds provides an introduction to FOAF and its use. [Feb. 4, 2004]

Styling RDF Graphs with GSS By Emmanuel Pietriga
Visualising RDF graphs is a hard problem, as they can quickly become unwieldy. This article introduces a solution in the form off GSS (Graph Style Sheets), an RDF vocabulary for describing rule-based style sheets used to modify the visual representation of RDF models represented as node-link diagrams. [Dec. 3, 2003]

Working with Bayesian Categorizers By Jon Udell
Bayesian classification has proved a powerful weapon against spam. Jon Udell tries to find out whether it can be put to use in other spheres of content categorization. [Nov. 19, 2003]

An Introduction to Schematron By Eddie Robertsson
The Schematron schema language differs from most other XML schema languages in that it is a rule-based language that uses path-expressions instead of grammars. A Schematron schema makes assertions applied to a specific context within the document. This article introduces Schematron and its use. [Nov. 12, 2003]

A Web of Rules By Kendall Grant Clark
In his second report from the International Semantic Web Conference, Kendall Clark discusses the importance of rules to the deployment of the Semantic Web, and highlights the importance of interaction between the academic and free software communities. [Oct. 23, 2003]

A Compact Syntax for W3C XML Schema By Erik Wilde
One of the problems when working with W3C XML Schema is the fact that it uses an XML syntax, which makes schemas verbose and hard to read. This article describes a compact text-based syntax for W3C XML Schema, called XML Schema Compact Syntax (XSCS). [Aug. 27, 2003]

The Semantic Web is Closer Than You Think By Kendall Grant Clark
The W3C's web ontology language, OWL, was advanced to become a W3C Candidate Recommendation on 19 August. Kendall Clark explains why it plays a major role in making the Semantic Web a reality. [Aug. 20, 2003]

WSDL Tales From the Trenches, Part 3 By Johan Peeters
This third and final part of WSDL Tales from the Trenches concentrates on the data aspects of web services. It discusses the type definitions and element declarations in the types element of a WSDL document. Such types and elements are used in the abstract messages in web service descriptions. [Aug. 5, 2003]

Extending RSS By Danny Ayers
The RDF foundations of the RSS 1.0 specification make it easy to extend and mingle with other RDF vocabularies. This article shows how, and explains how these benefits can be reaped in RSS 2.0 feeds as well. [Jul. 23, 2003]

Structured Writing, Structured Search By Jon Udell
Jon Udell further explores the benefits of preserving structure in web content, suggesting that the availability of structured search for content could motivate the creation of the structured content itself. [Jun. 10, 2003]

The Semantic Blog By Jon Udell
One of XML's promises is fine-grained, specific searching, but this doesn't come without a lot of effort in data preparation. Jon Udell looks for the sweet spot that marries spontaneity and structure. [Apr. 15, 2003]

Using Topic Maps to Extend Relational Databases By Marc de Graauw
Relational databases are fast and efficient ways to store data, but they can often be inflexible when application requirements change. Augmenting them with the capabilities of Topic Maps can solve this problem, and enhance interoperability between databases. [Mar. 5, 2003]

Inside the RSS Validator By Mark Pilgrim
In his latest Dive Into XML column, Mark Pilgrim explains some of the implementation details of the RSS validator. [Feb. 26, 2003]

Building Metadata Applications with RDF By Bob DuCharme
After some time wondering what to do with RDF, Bob DuCharme found RDFlib, a Python RDF processing library, and "the lightbulb finally went on." Bob describes his experiences. [Feb. 12, 2003]

BrownSauce: An RDF Browser By Damian Steer
Damian Steer introduces BrownSauce, his project to create a generalised browser for RDF/XML encoded data. [Feb. 5, 2003]

Introduction to XFML By Peter Van Dijck
Peter van Dijck introduces XFML -- eXchangeable Faceted Metadata Language -- a lightweight and easy to understand XML language for sharing faceted metadata. [Jan. 22, 2003]

Parsing RSS At All Costs By Mark Pilgrim
In his second Dive into XML column, Mark Pilgrim describes his parse-at-all-costs parser of ill-formed RSS feeds, using Python's sgmllib. [Jan. 22, 2003]

Normalizing XML, Part 2 By Will Provost
In this second and final look at applying relational normalization techniques to W3C XML Schema data modeling, Will Provost discusses when not to normalize, the scope of uniqueness and the fourth and fifth normal forms. [Dec. 4, 2002]

Normalizing XML, Part 1 By Will Provost
Will Provost's XML Schema Clinic series takes a look at the relational features of W3C XML Schema, applying the concepts of relational normalization to schema design. [Nov. 13, 2002]

Ontology Building: A Survey of Editing Tools By Michael Denny
Ontologies, structured depictions or models of known facts, are being built today to make a number of applications more capable of handling complex and disparate information. Michael Denny surveys the tools available for creating and editing ontologies. [Nov. 6, 2002]

Make Your XML RDF-Friendly By John Cowan, Bob DuCharme
As the volume of RDF-consuming applications grow, the authors demonstrate how XML documents can be made useful to RDF processors as well as normal XML parsers. [Oct. 30, 2002]

Working with a Metaschema By Will Provost
W3C XML Schema isn't just for validation -- in this article Will Provost demonstrates how adaptations of the schema for schemas can be used to drive applications. [Oct. 2, 2002]

Business Maps: Topic Maps Go B2B By Marc de Graauw
Marc de Graauw shows how topic maps can be used to help solve interoperability problems between XML B2B vocabularies. [Aug. 21, 2002]

XHTML 2.0: The Latest Trick By Kendall Grant Clark
Kendall Clark looks at the first draft of XHTML 2.0, which makes some interesting and major changes to the current HTML language. [Aug. 7, 2002]

The True Meaning of Service By Kendall Grant Clark
Kendall Grant Clark investigates the DAML-Services ontology, which ties together web services with the semantic web and could well play a key part in the web of the future. [Jul. 17, 2002]

W3C XML Schema Design Patterns: Dealing With Change By Dare Obasanjo
Designing schemas that support data evolution is beneficial in situations where the structure of the XML documents being processed may change as the application matures, but still need to be validated with the original schema.  [Jul. 3, 2002]

Enforcing Association Cardinality By Will Provost
In the first of our "XML Schema Clinic" series, we look at the ways that the cardinality of associations between XML elements can be controlled using W3C XML Schema. [Jun. 26, 2002]

Cataloging XML Vocabularies By Eric van der Vlist
Eric van der Vlist presents a way to ease publicising and choosing between different XML vocabularies. [Jun. 26, 2002]

Go Tell It On the Mountain By Kendall Grant Clark
As part of the re-framing of the W3C's Resource Description Framework a primer has been produced to accompany the new RDF specifications. Kendall Clark reviews the new document. [May. 15, 2002]

DAML Reference By Uche Ogbuji, Roxane Ouellet
The third part of our series on the DARPA Agent Markup Language takes the form of a quick reference to RDF, RDFS and DAML. [May. 1, 2002]

If Ontology, Then Knowledge: Catching Up With WebOnt By Kendall Grant Clark
An examination of the aims and achievements to date of the W3C's Web Ontology Working Group, who are tasked with creating an ontology language for the Semantic Web. [May. 1, 2002]

Introduction to DAML: Part II By Uche Ogbuji, Roxane Ouellet
The second part of our introduction to the DARPA Agent Markup Language covers advanced restrictions that can be placed on properties and classes. [Mar. 13, 2002]

Introduction to DAML: Part I By Uche Ogbuji, Roxane Ouellet
The first of a three-part series examining the DARPA Agent Markup Language, an XML/RDF application intended to provide tools for building the Semantic Web. [Jan. 30, 2002]

Relax NG, Compared By Eric van der Vlist
A feature-by-feature explanation of the RELAX NG XML schema language, with reference to the features provided by the W3C's XML Schema Definition Language. [Jan. 23, 2002]

ScrollKeeper: Open Source Document Management By Kendall Grant Clark
Building on the Open Source Metadata Framework and Dublin Core, ScrollKeeper sets out to unify the diverse world of open source documentation. [Nov. 28, 2001]

Using W3C XML Schema By Eric van der Vlist
A comprehensive introduction to XML Schema, a W3C XML language for describing and constraining the content of XML documents. Includes quick reference tables. [Oct. 17, 2001]

W3C XML Schema Made Simple By Kohsuke Kawaguchi
The W3C XML Schema Definition Language can be easy to learn and use, claims Kohsuke Kawaguchi -- you just need to know what to avoid. [Jun. 6, 2001]

DIDL: Packaging Digital Content By Vaughn Iverson, Todd Schwartz, Mark Walker
Internet applications generally fall short in their ability to transfer multimedia content. This article describes an XML vocabulary for packaging digital content, breaking the one-to-one mapping between the notion of a content item and an individual file. [May. 30, 2001]

Using the Jena API to Process RDF By Joe Verzulli
Jena is a freely-available Java API for processing RDF. This article provides an introduction to the API and its implementation. [May. 23, 2001]

Building a Semantic Web Site By Eric van der Vlist
By simple use of XML vocabularies like XMLNews and RSS, Eric van der Vlist shows how you can build dynamic indexes to web site content. [May. 2, 2001]

An Introduction to Prolog and RDF By Bijan Parsia
In the first of a series on creating Semantic Web applications with Prolog, Bijan Parsia introduces Prolog and its use in processing RDF. [Apr. 25, 2001]

ComicsML: A Simple Markup Language for Comics By Jason McIntosh
ComicsML came to life as a result of a comics artist and fan starting to work with XML. Read all about this useful and fun XML application, and how it could change the face of online comics. [Apr. 18, 2001]

Tim Berners-Lee on the W3C's Semantic Web Activity By Edd Dumbill
The World Wide Web Consortium has recently embarked on a program of development on the Semantic Web. This interview outlines the vision behind the new Activity, and how it relates to XML in general.  [Mar. 21, 2001]

Building the Semantic Web By Edd Dumbill
Tim Berners-Lee's vision of the Semantic Web is undoubtedly exciting, but its success will lie in the extent to which it solves real world problems.  [Mar. 7, 2001]

Answering the Namespace Riddle By Leigh Dodds
Dodds introduces RDDL, the Resource Directory Description Language, the result of a recent project conducted by the XML developer community to make XML namespaces easier to use. [Feb. 28, 2001]

How Would You Like That Served? By Didier Martin
Our intrepid explorer of specifications, Didier Martin, investigates CC/PP, an RDF application for describing and exchanging device capabilities. [Jan. 31, 2001]

What Is RDF By Tim Bray
An introduction to the W3C's Resource Description Format, a standard for exchanging metadata, and a key technology for the W3C's "Semantic Web". [Jan. 24, 2001]

Getting Topical By Simon St. Laurent
At the recent XML 2000 conference the XML Topic Maps (XTM) specification made an impressive debut. Simon St.Laurent reviews the development and prospects of XTM. [Dec. 20, 2000]

Using W3C XML Schema - Part 2 By Eric van der Vlist
The second half of our comprehensive introduction to the W3C's XML Schema Definition Language, including coverage of namespaces, object-oriented features and instance documents.  [Dec. 13, 2000]

Berners-Lee and the Semantic Web Vision By Edd Dumbill
In a keynote session at XML 2000 Tim Berners-Lee, Director of the World Wide Web Consortium, outlined his vision for the Semantic Web.  [Dec. 6, 2000]

Developers' Day at XML 2000 By Edd Dumbill
The XML Developers' Day at XML 2000, chaired by Jon Bosak, was composed of "late-breaking" developments in XML, and provided many valuable insights into developing XML systems. [Dec. 5, 2000]

W3C XML Schema Structures Reference By Eric van der Vlist
A complete quick reference to the elements of the W3C XML Schemas Structures specification, including content models and links to the original definitions. [Nov. 29, 2000]

W3C XML Schema Datatypes Reference By Rick Jelliffe
A brief primer on the essential aspects of the W3C XML Schema Datatypes, including a diagrammatic reference to the XML Schemas Datatypes specification. [Nov. 29, 2000]

Validating XML with Schematron By Chimezie Ogbuji
Schematron is an XSLT-based language for validating XML documents. This article explains why schema languages are required and introduces the principles behind Schematron. [Nov. 22, 2000]

Primed for the Semantic Web By Leigh Dodds
Last week's article on the Semantic Web has sparked discussion among the RDF developer community, who are considering the nature of the Semantic Web and how it might be implemented. [Nov. 8, 2000]

The Semantic Web: A Primer By Edd Dumbill
The question "What is the Semantic Web?" is being asked with increasing frequency. While mainstream media is content with a high level view, XML developers want to know more, and discover the substance behind the vision. [Nov. 1, 2000]

An Introduction to Dublin Core By Eric Miller, Stuart Weibel
You may have heard of the Dublin Core metadata element set before, but who is behind it, and what do they want to achieve? The leaders of the Dublin Core Metadata Initiative explain what they do and where they're headed. [Oct. 25, 2000]

Dublin Core in the Wild By Dale Dougherty
The recent Dublin Core Metadata Initiative meeting provided an opportunity for O'Reilly Network to discover more about Dublin Core and to explore its relationship with RSS. [Oct. 25, 2000]

RIL: A Taste of Knowledge By Uche Ogbuji
An innovative part of 4RDF is the RDF Inference Language (RIL), which provides a way of viewing an RDF model as an Expert System knowledge base. [Oct. 11, 2000]

4RDF: A Library for Web Metadata By Uche Ogbuji
One of the jewels in the crown of Python's XML support is the 4Suite collection of libraries, the most recent addition to which is 4RDF, a library for the parsing, querying, and storage of RDF. [Oct. 11, 2000]

Super Model By Leigh Dodds
Growing interest in RDF is seeing renewed work to increase understanding of the specification, including a move to separate RDF's simple data model from its oft-maligned syntax. [Sep. 20, 2000]

Instant RDF? By Leigh Dodds
RDF has some devoted followers, but is yet to hit the XML mainstream. Many believe this is because of its complicated syntax. XML-Deviant investigates the quest for "instant RDF". [Aug. 30, 2000]

Putting RDF to Work By Edd Dumbill
Tool and API support for the Resource Description Framework is slowly coming of age. Edd Dumbill takes a look at RDFDB, one of the most exciting new RDF toolkits. [Aug. 9, 2000]

Investigating the Infoset By Leigh Dodds
XML's syntax was invented before its data model, but the XML Infoset specification is seeking to plug the gap and formalize the data model. The XML-Deviant examines what the Infoset is, and what people think of it so far. [Aug. 2, 2000]

RSS: Lightweight Web Syndication By Rael Dornfest
RSS, a simple XML application to describe web site headlines, has had such enormous success that it has been pulled in many directions. Rael Dornfest documents the history of RSS, and the debate over its future. [Jul. 17, 2000]

RSS Modularization By Leigh Dodds
The popularity of RSS, the lightweight XML headline syndication format, is provoking moves to extend and advance its feature set. XML-Deviant reports on proposals and their connection with RDF and Namespaces. [Jul. 5, 2000]

Moving Home: Portable Site Information By Lynn C. Rees
Web development frameworks are many and varied, but why should you have to rebuild your site structure for each one? XML comes to the rescue, in the form of the Portable Site Information project. [Mar. 22, 2000]

Being Resourceful By Leigh Dodds
Forget about making XML simpler, what about RDF? While some may love this specification, many others find it impenetrable. XML-Deviant probes the grumblings of XML-DEV about this controversial technology. [Mar. 8, 2000]

Building an XML-based Metasearch Engine on the Server By Ralf Westphal
Ralf shows you how to move the metasearch process to the server and deliver browser independent HTML to any client. [Jul. 8, 1999]

Music and Metadata By Chris Mitchell
Chris Mitchell offers an interesting take on music and the Semantic Web, using metadata to find a club with the right style of music. [Nov. 22, 2006]

Big Lists in Small Spaces By Fabio Arciniegas A.
After a long hiatus, our Sacré SVG columnist, Fabio Arciniegas, returns with a technique for displaying large lists or trees of information in small spaces. [May. 4, 2005]

Speech Synthesis Markup Language: An Introduction By Peter Mikhalenko
Peter Mikhalenko introduces SSML, an XML vocabulary for creating speech-synthesis capable web applications. [Oct. 20, 2004]

SVG At the Movies By Antoine Quint
Antoine Quint returns with a new column about SVG -- this time he focuses on the interesting new features for video integration in SVG 1.2. [Oct. 13, 2004]

XMP Lowdown By Bob DuCharme
Bob DuCharme introduces XMP, Adobe's RDF-based specification for embedding metadata into digital artifacts. Get ready to mark up your photos and images with Adobe tools. [Sep. 22, 2004]

Mobile SVG By Antoine Quint
Antoine Quint returns with a look at the growing market for implementations of the SVG Mobile specification. [Aug. 18, 2004]

SVG and Typography: Animation By Fabio Arciniegas A.
In the final part of our series on SVG and typography, we cover using animation with type. [Jun. 30, 2004]

SVG and Typography: Bells and Whistles By Fabio Arciniegas A.
This third installment of our look at typography in SVG introduces the SVG versions of well-known effects such as blurs, shadows, gradients and bevels. [Jun. 2, 2004]

SVG and Typography: Characters By Fabio Arciniegas A.
In this second part of our discussion of SVG and typography we explore some time-honored practices of typographic excellence. [May. 12, 2004]

Developing Wireless Content using XHTML Mobile By Jean-Luc David
XHTML Mobile provides an answer to the proliferation of incompatible mobile markup solutions. Find out how to make mobile content, and ensure backwards compatibility. [Apr. 14, 2004]

SVG and Typography By Fabio Arciniegas A.
Few things have as much power to make or break a visual work as typography. This article demonstrates good-look and appropriate use of typography within SVG. [Apr. 7, 2004]

Television Listings and XMLTV By Kyle Downey
On a quest to build a DIY personal video recorder, Kyle Downey gets to grips with XMLTV, a toolkit for screen-scraping TV listings data into XML. [Feb. 18, 2004]

Geeks and the Dijalog Lifestyle By Kendall Grant Clark
Much as we'd like, our personal media collections will never be purely digital. Kendall Clark embarks on a new column dedicated to the application of geek know-how to managing the hybrid analog and digital media collections that we own. [Feb. 18, 2004]

The XML in Apple's Keynote By David Miller
Dave Miller describes how to discover and use the XML format behind Apple's new presentation application. [Jan. 7, 2004]

Extensible 3D: XML Meets VRML By Len Bullard
A comprehensive introduction to X3D, the XML-based successor to the Virtual Reality Markup Language. This article explains the history of X3D, the tools available to use it, and provides an introduction to X3D's XML markup. [Aug. 6, 2003]

Adding SALT to HTML By Simon Tang
Introducing Speech Application Language Tags (SALT), an XML application to add speech interaction to other markup languages. Simon Tang shows how to install the Microsoft SALT SDK and add speech to an HTML web page. [May. 14, 2003]

XML and JavaScript in the Browser By John E. Simpson
In this month's Q&A column, John Simpson describes some JavaScript libraries for parsing XML in popular web browsers, and he offers a high-level explanation of XSL-FO. [Mar. 26, 2003]

Transporting Binary Data in SOAP By Rich Salz
In this month's Endpoints column, Rich Salz discusses the issue of transporting binary data in XML messaging, using the Soap with Attachments technique. [Aug. 28, 2002]

A Realist's SMIL Manifesto, Part II By Fabio Arciniegas A.
In the second part of his overview of SMIL 2.0, Fabio Arciniegas shows how SMIL can be used to implement common narrative strategies: condensation, synecdoche and spatial montage. [Jul. 17, 2002]

A Realist's SMIL Manifesto By Fabio Arciniegas A.
A look at the state of the Synchronized Multimedia Integration Language, SMIL, and how it can realistically be used in video and multimedia deployment today. [May. 29, 2002]

SVG Tips and Tricks, Part One By Antoine Quint
In this month's SVG column Antoine Quint offers some tips and tricks for creating more useful and impressive SVG animations. [Mar. 27, 2002]

All That is Solid Melts Into Air By Kendall Grant Clark
Just when you think you know where you stand, someone suggests that the constants of life -- in this case HTTP and XML -- should be changed. Debate from the XML developer community. [Mar. 6, 2002]

Server Side SVG By J. David Eisenberg
SVG tools aren't just for the client side: find out how the Apache Batik toolkit can enable your web server to SVG on the fly, providing fallback to JPEG or PNG images for browsers without SVG support. [Feb. 27, 2002]

The Visual Display of Quantitative XML By Fabio Arciniegas A.
A tutorial on how to use SVG and XSLT to present your data in the most appropriate, efficient and attractive way possible. [Feb. 27, 2002]

Digging Animation By Antoine Quint
The first installment of our new SVG column takes a look at animation and how SVG compares to Flash. [Jan. 23, 2002]

SVG: Where Are We Now? By Antoine Quint
SVG expert Antoine Quint surveys the current state of tool support for the W3C's Scalable Vector Graphics Recommendation. [Nov. 21, 2001]

Creating Scalable Vector Graphics with Perl By Kip Hampton
Kip Hampton demonstrates how to use Perl, XML, and SVG to generate useful and attractive graphics dynamically. [Jul. 11, 2001]

DIDL: Packaging Digital Content By Vaughn Iverson, Todd Schwartz, Mark Walker
Internet applications generally fall short in their ability to transfer multimedia content. This article describes an XML vocabulary for packaging digital content, breaking the one-to-one mapping between the notion of a content item and an individual file. [May. 30, 2001]

An Introduction to Scalable Vector Graphics By J. David Eisenberg
This introduction to SVG teaches you all you need to know about the W3C's vector graphics format in order to start putting it to use in your own web applications. [Mar. 21, 2001]

A Question of Timing By Didier Martin
The SMIL family of XML applications enables synchronized display of multimedia elements on the Web. Didier Martin explores SMIL, and the new synchronization features in Microsoft's IE5.5. [Aug. 2, 2000]

Last Call Problems By Leigh Dodds
This week the XML Deviant dips into the SVG developer lists to find developers frustrated with the specification, which is still at Last Call status. [Jul. 26, 2000]

Low-Rent Virtual Reality with XML By Tim Bray
3DML is almost XML - though you wouldn't know it from its creator's marketing information. This 'economy' virtual reality language has some benefits that VRML doesn't, and proves that you can use XML to do some surprising things. [Jan. 19, 1999]

An Introduction to 3DML By Tim Bray
A detailed description of this alternative to VRML. [Jan. 19, 1999]

Is HTML+Time Out-of-Sync With SMIL? By Lisa Rein
Microsoft's HTML+Time submission is a proposed HTML extension for describing time-based media. Is this approach in conflict with the recently approved SMIL recommendation? [Oct. 7, 1998]

XML and Vector Graphics By Lisa Rein
A standard vector graphics format for the Web will provide lightweight Web graphics with more functionality and flexibility. [Jun. 22, 1998]

PGML By Lisa Rein
The Precision Graphics Markup Language is an XML-based format based on the PostScript imaging model. [Jun. 22, 1998]

CGM and Web Schematics By Lisa Rein
CGM is an established graphics standard for the CAD industry. It has proven too complex for the Web. The Web Schematics submission looks at a much simpler version for 2D diagrams. [Jun. 22, 1998]

VML By Lisa Rein
The Vector Markup Language submission is supported by Microsoft and likely will be deployed in IE5. [Jun. 22, 1998]

Scripting Flickr with Python and REST By Uche Ogbuji
In his latest Agile Web column, Uche Ogbuji shows us how to use Python to interact with Flickr as a lightweight web service. [Jan. 25, 2006]

Screenscraping the Senate By Paul Ford
In Paul Ford's first Hacking Congress column, he shows us how to turn information on the U.S. Senate site into RDF. [Sep. 1, 2004]

Creating and Consuming Web Services With PHP By Jean-Luc David
Find out how to create XML-RPC, SOAP and REST web services using PHP, the most popular scripting language for web applications. [Mar. 24, 2004]

Building a Web Services Container in Python By Rich Salz
In Rich Salz's latest column he continues his implementation of XKMS by assembling a web services container server out of existing Python parts. [Jan. 20, 2004]

The State of the Python-XML Art, 2003 By Uche Ogbuji
In this month's Python and XML column Uche Ogbuji updates his report on the state of the Python-XML art, adding 24 new projects. [Sep. 10, 2003]

Vox Populi: Web Services From the Grassroots By Rich Salz
In Rich Salz's latest column, he examines the effort to redefine simply site syndication, claiming that it's already technically superior to RSS 2.0. [Jul. 8, 2003]

Creating SOAP Services with Cocoon By Steve Punte
This article introduces the XmlHttpTransformer component, which allows mid-pipeline Cocoon elements to operate as SOAP clients retrieving information from external services. [Mar. 18, 2003]

Simple XML Processing With elementtree By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji introduces Fred Lundh's elementtree, a very pythonic way of processing XML. [Feb. 12, 2003]

XML Forms, Web Services and Apache Cocoon By Ivelin Ivanov
Server side business logic is often invariant with respect to the client device. Ivelin Ivanov shows how the Cocoon XMLForm framework addresses the concern of separating the purpose from the presentation of a form, maximizing its reusability for a variety of client devices.  [Jan. 29, 2003]

XQuery, the Server Language By Kurt Cagle
Kurt Cagle offers an interesting perspective on the future utility of XQuery as a server-side development language. [Jun. 6, 2007]

Which XML Technologies Are Beautiful? By Michael Day
Michael Day asks an interesting question: which XML technologies are beautiful and why? He answers with some candidates. Which XML technologies do you think are most beautiful? [Apr. 18, 2007]

The Future of XSLT 2.0 By Kurt Cagle
Kurt Cagle provides some compelling arguments for the importance of XSLT 2.0 in XML applications as we move forward. [Mar. 21, 2007]

Is XML 2.0 Under Development? By Micah Dubinko
In Micah Dubinko's return to the XML Annoyances banner, he speculates as to whether the W3C is already considering whether to start work on XML 2.0. Read this piece and decide for yourself. [Jan. 10, 2007]

The XQuery Chimera Takes Center Stage By Simon St. Laurent
Welcome to 2007! This week Simon St.Laurent gives us an interesting report from the XML 2006 conference. [Jan. 3, 2007]

A Theory of Compatible Versions By David Orchard
Creating XML languages that are compatible and extensible is a difficult problem. This week David Orchard argues for a theory of compatibility in which he describes some of the conditions for creating compatible XML languages. [Dec. 20, 2006]

Cracks in the Foundation By Micah Dubinko
Micah Dubinko takes aim at the legion of annoyances caused by XML namespaces. [Nov. 8, 2006]

Profiling XML Schema By Paul Kiel
Five years after XML Schema's release, it has matured into a key XML technology, despite its warts and arguably superior competitors. But how are people actually using it? Paul Kiel's article this week answers that question. [Sep. 20, 2006]

JSON on the Web, or: The Revenge of SML By Simon St. Laurent
Simon St. Laurent looks back to see if we can all learn a lesson or two: were there signs early on in the life of XML that something like JSON would eventually do very well as a Web data format? [Jul. 5, 2006]

The Next Web? By Simon St. Laurent
Simon St. Laurent steps up to ask which of the competing visions for the next stage of the Web's development have borne fruit, including the latest contender: Web 2.0 and AJAX. [Mar. 15, 2006]

The Power of No By Micah Dubinko
In his latest XML Annoyances column Micah Dubinko examines a common force behind the good and bad aspects of XML. [Feb. 1, 2006]

XML 2005: Tipping Sacred Cows By Micah Dubinko
In his latest XML Annoyances column, Micah Dubinko reports from last week's XML 2005 conference in Atlanta. [Nov. 23, 2005]

Microformats and Web 2.0 By Micah Dubinko
Micah Dubinko begins a new column, XML Annoyances, which will explore what's happening to and with XML, and beyond, as the era of core XML specifications comes to a close. Micah will be paying special attention to the parts of XML that don't seem to work as well as they should--or just the parts that are the most annoying. In this first column, he looks at the role of microformats in Web 2.0 apps and services. [Oct. 19, 2005]

Dreaming of an Atom Store: A Database for the Web By Joe Gregorio
In this month's The Restful Web column, Joe Gregorio draws together some disparate threads into a single, exciting idea: the Atom Store.  [Sep. 21, 2005]

The More Things Change By Micah Dubinko
In the final XML-Deviant column, Micah Dubinko offers a retrospective of XML and discusses some of the enduring topics of debate in the XML-developer community.  [Sep. 14, 2005]

Agile XML By Micah Dubinko
Micah Dubinko catches up with the XML-developer community with an examination of the Agile XML manifesto. [Aug. 31, 2005]

Should Python and XML Coexist? By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji claims that the costs of using XML as a little language in a Python application may outweigh the benefits of doing so. [Aug. 24, 2005]

On the Extreme Fringe of XML By Roger Sperberg
Roger Sperberg describes Extreme Markup Languages 2005, which is ongoing this week in Montreal. Extreme plays an important role in the XML conference ecosystem, as Sperberg explains. [Aug. 3, 2005]

Apple Watch By Micah Dubinko
Micah Dubinko examines how Apple is influencing XML and RSS, for better and for worse. [Jul. 13, 2005]

Specification Proliferation By Micah Dubinko
Micah Dubinko examines the problem of specification proliferation and looks to a similar area — open source software licensing — for possible solutions. [Jun. 15, 2005]

XTech 2005 By Micah Dubinko
Micah Dubinko's XML-Deviant column summarizes the highpoints of XTech 2005, the recent European XML conference. [Jun. 1, 2005]

SOA Made Real By Rich Salz
In his latest column, Rich Salz puts his money where his mouth is by showing how to use his style of WSDL and XML schema to build the client side of a geolocation web service. [May. 18, 2005]

Not Quite Restful By John E. Simpson
In his latest XML Tourist column, John E. Simpson explores some web services that aren't fully RESTful, including Google Maps. [Apr. 27, 2005]

April Fool's Wisdom By Micah Dubinko
In this week's XML-Deviant column, Micah Dubinko reminds us that even playful messages to the XML-DEV mailing list have a serious footing. [Apr. 13, 2005]

On Practical Elegance By Micah Dubinko
In his latest XML-Deviant, Micah Dubinko investigates the hidden meaning behind several permathreads found on the XML-DEV mailing list. [Apr. 6, 2005]

SOA Made Simple By Rich Salz
Rich Salz shows us how to create WSDL descriptions of web services simply and easily, using rather a lot of boilerplate. [Mar. 30, 2005]

Deconstructing Certification By Micah Dubinko
Micah Dubinko asks what business and personal value XML certification might have. [Mar. 16, 2005]

Gems from the Mines: 2002 to 2003 By Uche Ogbuji
Uche Ogbuji's Python and XML column returns with a recurring theme: mining the archives of the Python XML SIG list for lost and hidden gems. [Mar. 2, 2005]

The Google Wake-Up Call By Micah Dubinko
Micah Dubinko explains how Google's excellent assembly of existing pieces is raising the bar for everyone else. [Feb. 23, 2005]

What Next, XML? By Micah Dubinko
Micah Dubinko debuts as the new XML-Deviant columnist with a look at the recent debate about the future of XML. Will there ever be an XML 2.0? [Feb. 16, 2005]

Reviewing the Architecture of the World Wide Web By Harry Halpin
Harry Halpin reviews the final published edition of the W3C TAG's Architecture of the World Wide Web document. [Jan. 19, 2005]

Freeze the Core By Rich Salz
Rich Salz explains how and why the web services stack is ready now, and why we should leave good enough alone. [Jan. 12, 2005]

XQuery's Niche By Edd Dumbill
XQuery has been much hyped, but is it sufficiently different from XSLT to be successful? Edd Dumbill follows a debate looking for XQuery's niche.  [Dec. 29, 2004]

Telnet and REST Web Services? By Bob DuCharme
Telnet isn't the most efficient way to send GET, PUT, POST, and DELETE commands to an HTTP server, but once you've done it by hand, you'll have a better understanding of the core HTTP method. [Dec. 15, 2004]

The Cost of XML By Edd Dumbill
The apparent overhead of using XML is once more in the spotlight, as is the financial overhead of using eBay's web services. Edd Dumbill reports. [Dec. 15, 2004]

On Folly By Edd Dumbill
XML-oriented programming languages? Crazy! The Semantic Web? Nuts! Or perhaps not. Edd Dumbill on how the crackpots were right all long. [Dec. 8, 2004]

Faster, Faster! By Edd Dumbill
Edd Dumbill reports on debate about making XML faster and leaner and offers the opportunity to send nominations for this year's XML Anti-Awards. [Dec. 1, 2004]

XML 2004: From the Exhibition Floor By Simon St. Laurent
Simon St. Laurent reports from the exhibition floor of the XML 2004 conference in Washington, DC. [Nov. 19, 2004]

WSDL 2: Just Say No By Rich Salz
Rich Salz returns to XML.com, after a long absence, to explain why WSDL 2 is so flawed. [Nov. 17, 2004]

XML 2004: After Declaring Victory, What's Next? By Kendall Grant Clark
As part of our XML 2004 conference coverage, Kendall Clark files his first <taglines/> column, covering the first day of the conference in Washington, DC. [Nov. 17, 2004]

XML, the Web, and Beyond By Edd Dumbill
XML community coverage; browser technology and open content join traditional XML topics in the new-look XTech 2005 conference; plus debate on when multiple schemas are the best way forward. [Nov. 10, 2004]

How Do I Hate Thee? By Edd Dumbill
Find out everyone's top five dislikes about XML, and get to the bottom of exactly why namespaces tops the list. [Nov. 3, 2004]

Linkin' Park By Edd Dumbill
One of the original trinity of XML specs, XML linking has largely failed. Can, and should, we fix it? [Oct. 27, 2004]

Extensibility, XML Vocabularies, and XML Schema By David Orchard
David Orchard returns to the issue of extending and v ersioning XML vocabularies, adding new information about language questions and the relationship between versioning and extensibility. [Oct. 27, 2004]

Not Evil, Just Smelly By Edd Dumbill
Hypertext guru Ted Nelson reckons XML is evil. XML folk reckon Nelson is mad. But is there truth in what he says? [Oct. 6, 2004]

Lady and the Tramp By Edd Dumbill
If XML's the Lady, then RSS is the Tramp. But while RSS is energetically being refined and embraced, the Lady's ossifying rapidly. [Sep. 29, 2004]

RDF Roundup By Edd Dumbill
Edd Dumbill's report on XML community discussions covers how to write XML documents as RDF models and more incredulity at the WS-* web services specifications. [Sep. 22, 2004]

Uncle Sam's Semantic Web By Paul Ford
Paul Ford comes to Washington, D.C., to report on the Semantic eGov conference, where he discovers that Uncle Sam has plans for the Semantic Web. [Sep. 15, 2004]

Extreme Markup 2004 By James Mason
James Mason files a brief recap of this year's Extreme Markup Languages conference. [Sep. 15, 2004]

Fallacy and Lunacy By Edd Dumbill
In his regular look at the world of XML, Edd Dumbill uncovers the fallacies of XML Schema usage, and scoffs at the lunacy of SOAP. [Sep. 1, 2004]

Constraining Validation By Edd Dumbill
What's the difference between validation and business rules? XML developers discuss how and why to use them. [Aug. 25, 2004]

Identifying Atom By Mark Pilgrim
In his latest Dive into XML column, Mark Pilgrim reports on some of the hot topics in the IETF's development of Atom. [Aug. 18, 2004]

All Roads Lead to RDF By Edd Dumbill
A recent article by Mark Nottingham suggests that RDF may well be the answer to the difficulties inherent in specifying web services with W3C XML Schema. Edd Dumbill reports. [Aug. 11, 2004]

Implementing REST Web Services: Best Practices and Guidelines By Hao He
Hao He offers guidelines and best practices for implementing REST web services. [Aug. 11, 2004]

Misconceive Early, Misconceive Often By Edd Dumbill
Our XML community column examines the fallout from Mark Pilgrim's claim that XML on the Web has failed; plus the emerging use of an alternative to URIs in RDF. [Aug. 4, 2004]

Browser Boom By Edd Dumbill
Edd Dumbill reports on the boom in web-browser innovation as well as Mozilla and Opera's mysterious desertion of the W3C as a forum. [Jul. 14, 2004]

Eternal Refactoring By Edd Dumbill
A summary of the latest happenings in the XML and RDF developer communities: refactoring specifications, Amazon wishlists in RDF, and XML as art. [Jul. 7, 2004]

The Economics of Web Service Development By Marcia Gulesian
Marcia Gulesian explores the economics and management dimensions of implementing web services in the healthcare field. [Jul. 7, 2004]

An Interview with Michael Kay By Bob DuCharme
In his latest Transforming XML column, Bob DuCharme interviews Michael Kay, developer of Saxon, about his new venture, Saxonica. [Jul. 7, 2004]

An Old New Thing By Kendall Grant Clark
In Kendall Clark's first week as managing editor, he says hello to new challenges and old friends. [Jul. 7, 2004]

Moving On, But Not So Far By Edd Dumbill
In his last week as editor of XML.com, Edd Dumbill says goodbye after nearly five years of directing the web site. [Jun. 30, 2004]

The Atom Link Model By Mark Pilgrim
In Mark Pilgrim's latest Dive Into XML column he explains the Atom linking model, which is based on the familiar HTML linking model but is more expressive and more flexible. [Jun. 16, 2004]

XML Europe 2004: Refactoring XML By Eric van der Vlist
The recent XML Europe 2004 conference showed that it's time to use the experience gained in the last 6 years to optimize the use of XML. Eric van der Vlist reports on sessions from the show. [May. 5, 2004]

The State of XML By Edd Dumbill
In this closing keynote speech to XML Europe 2004, Edd Dumbill summarizes XML's recent changes and enduring strengths. [Apr. 21, 2004]

Protocol Design: Structure and Syntax By Itamar Shtull-Trauring
The syntaxes used in protocols should be simple and consistent, says Itamar Shtull-Trauring. He examines the good, the bad, and the ugly. [Apr. 21, 2004]

From P2P to Web Services: Trust By Andy Oram
In the second and final part of Andy Oram's series he explains how web service researchers might learn valuable lessons from the P2P movement. [Apr. 14, 2004]

From P2P to Web Services: Addressing and Coordination By Andy Oram
Andy Oram presents a two-part series examining the utility of P2P technology in the Web Services space. [Apr. 7, 2004]

The XML.com Interview: Jeff Barr By Edd Dumbill
Amazon.com's web services API has met with broad success. Jeff Barr, Amazon's web services evangelist, speaks to Edd Dumbill. [Mar. 31, 2004]

Web Architecture Review: Representation By Kendall Grant Clark
Kendall Clark continues his look at the W3C Technical Architecture Group's "Architecture of the World Wide Web." This time he examines the third of the key architectural principles set forth in this document: data formats. [Feb. 4, 2004]

Binary Waltz, Play On By Robin Berjon
Robin Berjon argues that work at the W3C on binary XML must press on, in order to avoid the proprietary chaos that will result from a lack of standards in this area. [Jan. 28, 2004]

Competing Claims and Interaction Types By Kendall Grant Clark
Continuing his review of the W3C's Architecture of the World Wide Web document, Kendall Clark looks further at the principles set out governing interactions on the web. [Jan. 28, 2004]

Concluding, Unscientific Postscript: Web Resource Identification By Kendall Grant Clark
In his ongoing review of the W3C Technical Architecture Group's Architecture of the World Wide Web document, Kendall Clark discusses URI ambiguity, URI opacity and fragment identifiers. [Jan. 14, 2004]

The Social Life of XML By Jon Udell
In this write-up of his keynote address to the XML 2003 conference, Jon Udell explains that the key thing about XML is the way anXML document can become a shared construct, a tangible thing that processes and people can pass around and interact with. [Dec. 23, 2003]

XML 2003 Conference Diary By Eric van der Vlist
Eric van der Vlist, author of O'Reilly's books on RELAX NG and W3C XML Schema, shares his personal view of the recent XML 2003 Conference. [Dec. 23, 2003]

Reviewing Web Architecture By Kendall Grant Clark
Kendall Clark analyzes the W3C Technical Architure Group's "Architecture of the World Wide Web" document, newly published as a Last Call draft at the W3C. [Dec. 17, 2003]

The Long, Long Arm of SGML By Kendall Grant Clark
Commenting on Tim Bray's "UTF-8+names" proposal for creating memorable shortcuts for some Unicode code points, Kendall Clark sees the effort as part of XML's continuing struggle against the legacy of its SGML ancestry. [Nov. 5, 2003]

The XML Book Business By Kendall Grant Clark
Kendall Clark comments on a recent discussion among XML developers about the unfortunate state of the XML technical book business. [Oct. 29, 2003]

The Impact of Site Finder on Web Services By Steve Loughran
VeriSign's recently Site Finder service, now temporarily suspended, caused many problems for internet users and web applications. Particularly at risk from the Site Finder changes are web services applications. This article examines the difficulties caused by Site Finder, and what users and developers of web services can do about it. [Oct. 28, 2003]

A Web of Rules By Kendall Grant Clark
In his second report from the International Semantic Web Conference, Kendall Clark discusses the importance of rules to the deployment of the Semantic Web, and highlights the importance of interaction between the academic and free software communities. [Oct. 23, 2003]

Commercializing the Semantic Web By Kendall Grant Clark
In the first of his reports from the 2nd International Semantic Web Conference, Kendall Clark discusses the path forward for successfully selling and developing Semantic Web technology into industry. [Oct. 22, 2003]

Really Simple Web Service Descriptions By Rich Salz
In his newest column, Rich Salz outlines a proposal for an interface definition language, called RSWS, that's simpler than WSDL and tuned for document-style services. [Oct. 14, 2003]

XQuery Implementation By Ivelin Ivanov
Though not yet a W3C Recommendation, XQuery has been around for a long time now. This article looks at the trends in its deployment, and predicts the big opportunity for XQuery in web services integration. [Oct. 1, 2003]

ISO to Require Royalties? By Kendall Grant Clark
The ISO, a worldwide standards body, is proposing to charge fees for commercial usage in software of their standardized country, language and currency codes. This would have a wide-ranging negative effect on the infrastructure of the web and related standards. Kendall Grant Clark explains the situation and argues against the ISO's proposal. [Sep. 24, 2003]

Language Instincts By Jon Udell
There'll be no master plan to the Semantic Web, says Jon Udell, just a lot of talking, listening and imitating. [Sep. 17, 2003]

Nobody Asked Me, But... By John E. Simpson
In this month's XML Q&A column John Simpson once again asks and answers questions which no one has asked, once again renewing his interest in obscuring XML instances. [Aug. 27, 2003]

The Semantic Web is Closer Than You Think By Kendall Grant Clark
The W3C's web ontology language, OWL, was advanced to become a W3C Candidate Recommendation on 19 August. Kendall Clark explains why it plays a major role in making the Semantic Web a reality. [Aug. 20, 2003]

Escaped Markup Considered Harmful By Norman Walsh
How do you carry HTML or XML around inside an XML document? Not by using CDATA sections or escaping special characters, says Norm Walsh. Find out why embedding markup this way is wrong, and what alternatives there are. [Aug. 20, 2003]

Should Atom Use RDF? By Mark Pilgrim
In this month's Dive Into XML column Mark Pilgrim explains the uses and abuses of RDF for the new Atom syndication format. [Aug. 20, 2003]

Binary XML, Again By Kendall Grant Clark
The old chestnut of a binary encoding for XML has cropped up once more, this in time in serious consideration by the W3C. Kendall Clark comments on the announcement of the W3C's Binary XML Workshop. [Aug. 13, 2003]

Social Meaning and the Cult of Tim By Kendall Grant Clark
Tim Berners-Lee's decision to take the "social meaning of RDF" issue into the W3C TAG and away from the Semantic Web Coordination Group has proved controversial. Kendall Clark reports on the debate between Pat Hayes and Berners-Lee, and asks if the "cult of Tim" is obscuring rational judgment on this issue. [Jul. 23, 2003]

SVG: A Sure Bet By Paul Prescod
In this article based on his keynote at the SVG Open Conference, Paul Prescod explains why he thinks SVG is set to be as ubiquitous as IP networking. [Jul. 16, 2003]

In the Service of Cooperation By Kendall Grant Clark
Kendall Grant Clark discusses BPEL4WS, DAML-S, WS-Choreography, and the likelihood that BPEL4WS will be the only high-level way of describing composite web services.  [Jul. 8, 2003]

How (Not) to Grow a Technology By Kendall Grant Clark
Grassroots chaos or death-by-committee? The choice is yours. Kendall Clark looks at strategies for growing XML technologies. [Jun. 25, 2003]

A Tour of the Web Services Architecture By Kendall Grant Clark
Kendall Clark digs into the latest draft of the W3C's Web Services Architecture document, finding both curious anomaly and commendable progress. [Jun. 18, 2003]

A Community Update By Kendall Grant Clark
A bulletin from the XML developer community covering the growth of RELAX NG adoption, discussion on the W3C's approach to criticism and an update on the YAML experiment. [Jun. 11, 2003]

The Architecture of Service By Kendall Grant Clark
An introduction to the W3C's Web Services Architecture Working Group, and its role in defining a coherent architecture for the currently chaotic ecology of web services specifications. [May. 28, 2003]

Internationalizing the URI By Kendall Grant Clark
Kendall Clark describes the hold-ups being suffered by XML due to the transition of URIs to their internationalized replacements, IRIs, as well as reviewing a slew of new XQuery drafts published by the W3C. [May. 7, 2003]

TAG: Fragment Identifiers, Subsets, and Metadata By Kendall Grant Clark
In this week's XML-Deviant column Kendall Grant Clark discusses some of the new issues under consideration with the W3C's Technical Architecture Group. [Apr. 16, 2003]

XML Isn't Too Hard By Kendall Grant Clark
Kendall Clark looks at the responses from other XML experts to Tim Bray's "XML is too hard for programmers" essay. [Apr. 2, 2003]

Standards: Optional Features or Law? By Dimitris Dimitriadis
Dimitriadis Dimitris discusses the problem of getting software implementers to adhere to web standards. [Mar. 19, 2003]

An XML Hero Reconsiders? By Kendall Grant Clark
Kendall Grant Clark assesses reaction to an essay by Tim Bray that claimed XML was too difficult to work with. Was Bray right, or is he out of touch? [Mar. 19, 2003]

Truth in Advertising By Kendall Grant Clark
A survey of recent discussion on the XML-DEV mailing list, including controversy about XML subsetting in JSR 172, whether there should be a central namespace registry, and whether XML-DEV should find a new home. [Mar. 12, 2003]

The XML.com Interview: Eric Meyer By Russell Dyer
Russell Dyer talks to Eric Meyer, invited expert to the W3C's CSS Working Group, and author of O'Reilly's "Cascading Style Sheets: The Definitive Guide." [Mar. 12, 2003]

Introducing WS-I and the Basic Profile By Rich Salz
Rich Salz introduces the Web Services Interoperability Organization, and its Basic Profile, in his first column for the new WebServices.XML.com site. [Mar. 4, 2003]

XML, SOAP and Binary Data This white paper discusses the architectural issues encountered when using opaque non-XML data in XML applications, including (but not limited to) Web services and SOAP. [Feb. 26, 2003]

XP and XML By Eric van der Vlist
Eric van der Vlist argues that the two worlds of XML and Extreme Programming have a lot to learn from each other, and that both could benefit from closer integration. [Feb. 19, 2003]

The Pace of Innovation By Kendall Grant Clark
Kendall Clark muses on the apparent stall in innovation in XML technology -- is it a sign of failure, or a symptom of success? [Feb. 19, 2003]

XML at Five By Edd Dumbill
To celebrate five years of XML, Edd Dumbill interviews a selection of XML old-timers and experts about their experiences of XML and hopes for the future. [Feb. 12, 2003]

Is There a Consensus Web Services Stack? By Kendall Grant Clark
Kendall Clark examines recent debate as to whether the "web services stack" is a thing of fact or fiction, and also muses on the latest news in relation to web services patents. [Feb. 12, 2003]

Hacking XUL and WXS-based Transformations By John E. Simpson
In this month's XML Q&A, John Simpson offers introductory advice for customizing Mozilla skins with XUL, as well as suggesting a way to use WXS and XSLT to do XML transformations. [Nov. 27, 2002]

XML Versus the Infoset By Rich Salz
In his latest Endpoints column Rich Salz opines about the differences between XML specifications based on XML and those based on the XML infoset. [Nov. 20, 2002]

W3C XML Schema Design Patterns: Avoiding Complexity By Dare Obasanjo
Previous attempts to define an effective subset of W3C XML Schema have thrown the baby out with the bathwater, says Dare Obasanjo, who proposes a less conservative set of guidelines for working with W3C XML Schema. [Nov. 20, 2002]

Raising the Bar on RSS Feed Quality By Timothy Appnel
Timothy Appnel says we must improve the effectiveness of RSS feeds. He offers recommendations for authoring more useful and effective feeds with an approach that is neutral, practical, and conservative. [Nov. 19, 2002]

RDF, What's It Good For? By Kendall Grant Clark
Kendall Grant Clark ponders the hidden benefits of RDF, and examines the XML-DEV community response to a recent XML.com article on making XML documents RDF-friendly. [Nov. 13, 2002]

Whither Web Services? By Edd Dumbill
With the technology press taking a more measured view of web services, does this mean the party's over? Edd Dumbill argues that the future of web services and XML are closely linked, and that the fun's only just beginning [Oct. 23, 2002]

A Hyperlink Offering By Micah Dubinko
Prompted by recent debate over XHTML 2.0's invention of HLink, Achilles and the tortoise meet to discuss the use of linking in W3C specifications. [Sep. 25, 2002]

Identity Crisis By Kendall Grant Clark
Kendall Clark examines section 2 of the W3C Technical Architecture Groups "Architectural Principles of the World Wide Web", concerning Identifiers and Resources. [Sep. 11, 2002]

Nobody REALLY Asked Me, But... By John E. Simpson
On the second anniversary of his column, John Simpson returns to the question of obscuring the contents of an XML document, exploring a good deal of XSLT along the way. [Aug. 28, 2002]

Transporting Binary Data in SOAP By Rich Salz
In this month's Endpoints column, Rich Salz discusses the issue of transporting binary data in XML messaging, using the Soap with Attachments technique. [Aug. 28, 2002]

OSCON 2002 Perl and XML Review By Kip Hampton
In this month's Perl and XML column, Kip Hampton reviews the state of the Perl-XML world as displayed at O'Reilly's Open Source Convention. [Aug. 21, 2002]

The Absent Yet Present Link By Kendall Grant Clark
Kendall Clark covers the ongoing fallout from the absence of XLink in the first public draft of XHTML 2.0. [Aug. 14, 2002]

XHTML 2.0: The Latest Trick By Kendall Grant Clark
Kendall Clark looks at the first draft of XHTML 2.0, which makes some interesting and major changes to the current HTML language. [Aug. 7, 2002]

Not My Type: Sizing Up W3C XML Schema Primitives By Amelia Lewis
Continuing our occasional series of opinion pieces from members of the XML community, Amy Lewis takes a hard look at W3C XML Schema datatypes. [Jul. 31, 2002]

Webs At Rest and In Motion By Kendall Grant Clark
Kendall Clark reports on best practices for web application design as discussed on the REST mailing list. [Jul. 10, 2002]

Watching TAG Again By Kendall Grant Clark
Kendall Clark provides an update on the progress of the W3C's Technical Architecture Group, responsible for overseeing the architecture of the Web. [Jul. 3, 2002]

Can XML Be The Same After W3C XML Schema? By Eric van der Vlist
After writing a book on W3C XML Schema for O'Reilly, author and consultant Eric van der Vlist reflects on how significantly XML processing will be changed by the W3C XML Schema technology. [Jun. 19, 2002]

XML Europe 2002 Coverage By Leigh Dodds
Leigh Dodds is in Barcelona this week, busy munching tapas and attending XML Europe 2002. This week's column features up-to-the-minute conference coverage. [May. 22, 2002]

Eric van der Vlist on W3C XML Schema Regular XML.com contributor Eric van der Vlist has just finished writing a book on W3C XML Schema for O'Reilly. In this interview, he talks about the book and the technology. [May. 15, 2002]

Go Tell It On the Mountain By Kendall Grant Clark
As part of the re-framing of the W3C's Resource Description Framework a primer has been produced to accompany the new RDF specifications. Kendall Clark reviews the new document. [May. 15, 2002]

Where Web Services Are Going By Rael Dornfest, Mike Loukides
WebLogic Workshop is the cornerstone of BEA's Web services strategy. We talk to BEA VP of enginnering Adam Bosworth about this product, Web services, and .NET. [May. 10, 2002]

If Ontology, Then Knowledge: Catching Up With WebOnt By Kendall Grant Clark
An examination of the aims and achievements to date of the W3C's Web Ontology Working Group, who are tasked with creating an ontology language for the Semantic Web. [May. 1, 2002]

Google's Gaffe By Paul Prescod
Paul Prescod explains why moving its API to use SOAP was a backward step for the popular search engine, and argues for a return to a pure HTTP and XML interface. [Apr. 24, 2002]

Kicking out the Cuckoo By Edd Dumbill
Web services are a distraction from the true business of developing the Web, argues Edd Dumbill, and the W3C should stop wasting resources on their development. [Apr. 24, 2002]

Clay Shirky: What Web Services Got Right ... and Wrong By Richard Koman
Web Services represent not just a new way to build Internet applications, says Clay Shirky in this interview, but the second stage of peer-to-peer, in which distinctions between clients and servers are all but eliminated. [Apr. 23, 2002]

Basic Training By John E. Simpson
In this month's Q&A column, John Simpson attends to the most basic XML question of all: "What is XML?" [Mar. 27, 2002]

Introducing XML::SAX::Machines, Part Two By Kip Hampton
This month, Kip Hampton's introduction to Perl's XML::SAX::Machines tool continues, adding flexibility to Apache-based apps and demonstrating the construction of a SAX controller. [Mar. 20, 2002]

XLink: Who Cares? By Bob DuCharme
XLink was part of the original plan for XML, along with XSL, but has taken a long time to reach completion and has inspired few implementations. Bob DuCharme asks why. [Mar. 13, 2002]

REST and the Real World By Paul Prescod
Following on from his "Next Generation Web Services" article, Paul Prescod shows how the REST model for web services meets real world demands such as security, auditing and orchestration. [Feb. 20, 2002]

XML 2.0 -- Can We Get There From Here? By Kendall Grant Clark
Tim Bray recently made the first substantive proposal for an XML 2.0. Kendall Clark examines Bray's "skunkworks" project, and also the political issues that will inevitably dog the development of XML 2.0. [Feb. 20, 2002]

Message Patterns and Interoperability By Leigh Dodds
The XML-Deviant reports on the recent discussions about kinds of messaging patterns, as well as industry efforts to certify web services interoperability. [Feb. 13, 2002]

Scrambling the Equations: Potential Trends in Networking By Andy Oram
New, networked file systems, scripting languages for devices, extensions to the seven-layer ISO networking model, and a new class of criminal offenses are all possible trends of the next few years. [Feb. 12, 2002]

The Value of Names in Attributes By Kendall Grant Clark
The struggle with namespaces in XML continues in the developer community. Recent discussion has centered on the wisdom of the use of qualified names in attribute values by languages such as XSLT and W3C XML Schema. [Feb. 6, 2002]

Welcome Web Services Activity By Edd Dumbill
Commentary on the W3C's launch of a Web Services Activity, along with the usual sideways look at the world of XML. [Jan. 30, 2002]

<taglines/> Anti-Awards 2001 By Edd Dumbill
XML.com's answer to industry awards ceremonies, these anti-awards seek to burst a few of the XML industry's overinflated bubbles. [Jan. 2, 2002]

Clark Challenges the XML Community By Edd Dumbill
XML philanthropist James Clark delivered the opening keynote at XML 2001, describing five important challenges facing the XML community. [Dec. 19, 2001]

Plaudits and Pundits By Edd Dumbill
The return of the <taglines/> comment column, handing out plaudits to Adobe, introducing XML Europe 2002, and soliciting nominations for the XML.com Anti-Awards 2001. [Dec. 5, 2001]

Are Tech Book Sales a Leading Economic Indicator? By Madeline Schnapp
O'Reilly's Research Department compared sales of our tech books at Amazon.com against the NASDAQ. The close correlation suggests that tech book sales, like the stock market indices, may be a leading economic indicator.  [Nov. 16, 2001]

Browser Lockouts and Monopoly Power By Kendall Grant Clark
Last week's controversial blocking of certain browsers by MSN.com was excused by means of a flimsy appeal to "standards compliance." Kendall Clark reports on the debate and the possible implications for the Microsoft antitrust negotiations. [Oct. 31, 2001]

The Selfish Tag By Edd Dumbill
Even in the standards-led world of today, an attitude of pragmatic selfishness is the best policy for developers using XML in their applications. [Oct. 24, 2001]

XML You Can Touch By Edd Dumbill
What's really hot these days in XML isn't the latest spec, but it's the software that's using XML. Edd Dumbill takes a look at how XML has been adopted in the GNOME desktop platform. [Oct. 10, 2001]

Web Services: It's So Crazy, It Just Might Not Work By Clay Shirky
The web services hype machine promises us a "revolution" bringing another "paradigm-shift." Clay Shirky explores if, despite the overselling, there may just be something there -- or maybe not. [Oct. 3, 2001]

XML Divided By Edd Dumbill
As XML application grows, it is inevitable that it will divide into different communities, but a strong commitment to interoperability must remain key. [Sep. 26, 2001]

Picture Perfect By Edd Dumbill
The W3C's publication of the Scalable Vector Graphics (SVG) Recommendation heralds a new age for graphics in the emerging multi-device Web. [Sep. 12, 2001]

A New Old Angle on XML By Edd Dumbill
XML's syntax may be its strongest asset, but non-XML syntaxes can help make XML even more usable. [Aug. 29, 2001]

Nobody Asked Me, But... By John E. Simpson
John Simpson asks and answers the questions no one ever asks about XML, uncovering some interesting tidbits. [Aug. 29, 2001]

The White Heat of Marketing By Edd Dumbill
Has marketing hype overwhelmed technical excellence in the development of XML, or does it really matter? [Aug. 15, 2001]

The Web's Grand Planners By Edd Dumbill
Edd Dumbill examines the W3C's new architectural watchdog, the TAG, and whether it will have much influence over the development of XML. [Aug. 1, 2001]

Washed Clean, Washed Up By Edd Dumbill
In the first installment of his new XML.com column, Edd Dumbill takes a look at the latest incarnation of SOAP, and the ever-changing XML conference scene. [Jul. 18, 2001]

P2P and XML in Business By Brian Buehling
An overview of the application of peer-to-peer technology in the enterprise, and the role played by XML. [Jul. 11, 2001]

Rapid Resolution By Leigh Dodds
A recent debate about supporting OASIS catalogs in XML shows that strong differences of opinion still exist on interpretation of the XML 1.0 specification itself. [Jun. 20, 2001]

Three Myths of XML By Kendall Grant Clark
XML has it all, not only an interoperable syntax but a solution to bring world peace, end poverty and deter evil dictators. Kendall Clark debunks these and other popular myths of XML. [Jun. 13, 2001]

W3C XML Schema Made Simple By Kohsuke Kawaguchi
The W3C XML Schema Definition Language can be easy to learn and use, claims Kohsuke Kawaguchi -- you just need to know what to avoid. [Jun. 6, 2001]

The State of XML: Why Individuals Matter By Edd Dumbill
A survey of the progress of XML over the last year, emphasizig that in an industry increasingly dominated by large vendors, individual contributors are still key. [May. 30, 2001]

Schema Scuffles and Namespace Pains By Edd Dumbill
W3C XML Schema is complete. End of story? No way! Debates over Schema best practice have dominated XML-DEV over recent weeks. [May. 30, 2001]

A Web Less Boring By Edd Dumbill
Tim Bray condemned the state of web browser technology, saying it was responsible for making the Web dull, in his opening keynote at XML Europe 2001 in Berlin. [May. 23, 2001]

Daring to Do Less with XML By Michael Champion
One person's tangled mess of XML is another's set of must-have features. This article offers advice for making your way through the jungle of XML and its associated specifications. [May. 2, 2001]

XSLT UK 2001 Report By Jeni Tennison
Earlier this month Keble College, Oxford, England was the setting for the first ever conference dedicated to XSLT. XSLT expert Jeni Tennison reports on the proceedings. [Apr. 25, 2001]

Intuition and Binary XML By Leigh Dodds
Binary encodings for XML is a well-worn topicon XML-DEV, yet last week's revisiting of the debate introduced some interesting new evidence. [Apr. 18, 2001]

Practical Internationalization By Edd Dumbill
An interview with Tim Bray about the joys and pains of implementing a truly internationalized web application. [Apr. 18, 2001]

XML Hype Down But Not Out In New York By Edd Dumbill
Signs of reality were setting in this week at XML DevCon 2001 in New York City. As vendors and professionals were feeling the pinch of the economic conditions, the cloud of dust raised by recent overmarketing was starting to settle. [Apr. 11, 2001]

A Brief History of SOAP By Don Box
An insider's view of the last three years of SOAP's development, its relationship with W3C XML Schema, and an assessment of where XML protocols should go next. [Apr. 4, 2001]

Schemas by Example By Leigh Dodds
There has been a lot of activity in the area of XML schema languages recently: with several key W3C publications and another community proposed schema language. [Mar. 28, 2001]

Tim Berners-Lee on the W3C's Semantic Web Activity By Edd Dumbill
The World Wide Web Consortium has recently embarked on a program of development on the Semantic Web. This interview outlines the vision behind the new Activity, and how it relates to XML in general.  [Mar. 21, 2001]

TAXI to the Future By Tim Bray
Tim Bray presents TAXI, a Web application architecture that utilises the power of XML to deliver a responsive user environment. [Mar. 14, 2001]

Knowledge Technologies 2001: Conference Diary By Edd Dumbill
The inaugural Knowledge Technologies conference brought together members of diverse communities, all concerned with managing knowledge: from RDF and Topic Maps to AI. [Mar. 7, 2001]

Building the Semantic Web By Edd Dumbill
Tim Berners-Lee's vision of the Semantic Web is undoubtedly exciting, but its success will lie in the extent to which it solves real world problems.  [Mar. 7, 2001]

XML Ain't What It Used To Be By Simon St. Laurent
Current XML development at the W3C threatens to obliterate the original promise of XML by piling on too many features and obscuring what XML does best.  [Feb. 28, 2001]

Does XML Query Reinvent the Wheel? By Leigh Dodds
XML developers contend that the overlap between XML Query and XSLT is so great that they aren't separate languages at all. [Feb. 28, 2001]

XML on the Move By Edd Dumbill
A report from XML DevCon Europe, London. On the first day of the conference, Henry Thompson spoke on XML Schemas and the XML Infoset, and David Orchard gave an overview of the world of web services. [Feb. 21, 2001]

XSLT Extensions Revisited By Leigh Dodds
The first Working Draft of XSLT 1.1, though attempting to address the portability of stylesheets that use extension functions, has failed to please everyone in the XSLT developer community. [Feb. 14, 2001]

The Politics of Schemas: Part 2 By Kendall Grant Clark
Having established in the first half of this essay that schemas are essentially political, this second installment examines the relevance of this to the XML community, and avenues for further consideration. [Feb. 7, 2001]

Schemarama By Leigh Dodds
For the past two weeks XML-DEV has seen fascinating exchanges between three inventors of alternative XML schema proposals. [Feb. 7, 2001]

The Politics of Schemas: Part 1 By Kendall Grant Clark
As the world is codified one schema at a time, what are the consequences and implications? This first half of a two-part essay examines why schemas are essentially political.  [Jan. 31, 2001]

Dictionaries and Datagrams By Leigh Dodds
XML developers have been reexamining the textual encoding of XML, addressing concerns of verbosity and multilingual elements. [Jan. 24, 2001]

XPointer and the Patent By Leigh Dodds
Does a Sun patent threaten the future of hypertext on the web, or are XML developers getting unnecessarily alarmed by the licensing terms on the XPointer spec? The XML-Deviant reports. [Jan. 17, 2001]

A Scalable Process for Information Standards By Jon Bosak
The Chair of the OASIS Process Advisory Committee explains how OASIS has developed a standards process to cater for the fast-moving world of XML. [Jan. 17, 2001]

The 12 Days of XML Christmas By Leigh Dodds
A light-hearted review of XML developer community 2000 as seen through the watchful eye of the XML-Deviant. [Dec. 27, 2000]

Converging Protocols By Leigh Dodds
Jon Bosak's comments at XML 2000 about the respective roles of ebXML and SOAP have sparked discussion on convergence between ebXML's transport, routing and packaging layer and the W3C's XML Protocol Activity. [Dec. 20, 2000]

Berners-Lee and the Semantic Web Vision By Edd Dumbill
In a keynote session at XML 2000 Tim Berners-Lee, Director of the World Wide Web Consortium, outlined his vision for the Semantic Web.  [Dec. 6, 2000]

What's in a Name? By Leigh Dodds
The XML-Deviant looks at best practices for identifying XML resources; then wonders why more developers aren't taking advantage of entity management systems.  [Nov. 29, 2000]

Profiling and Parsers By Leigh Dodds
Can XML be meaningfully split up to facilitate partial implementation of the specification? XML developers debate the issues. [Nov. 22, 2000]

Embracing Web Services By Edd Dumbill
Delivering a talk entitled "Web Services: Requirements, Challenges and Opportunities," Greg Hope laid down the future of web business as Microsoft sees it, and especially the role of XML technologies. [Nov. 14, 2000]

What's So Great About XML? By Didier Martin
Why bother using XML in a web publishing system? Didier Martin discusses the benefits of using XML as an intermediate stage in content delivery. [Nov. 7, 2000]

Of Standards and Standard Makers By Leigh Dodds
The debate over who makes XML standards and how they are made rumbles on. This week the XML-Deviant examines the W3C and asks whether its Semantic Web initiative informs or hinders comprehension of their mission. [Oct. 25, 2000]

Instant RDF? By Leigh Dodds
RDF has some devoted followers, but is yet to hit the XML mainstream. Many believe this is because of its complicated syntax. XML-Deviant investigates the quest for "instant RDF". [Aug. 30, 2000]

Processing Inclusions with XSLT By Eric van der Vlist
Processing document inclusions with general XML tools can be problematic. This article proposes a way of preserving inclusion information through SAX-based processing. [Aug. 9, 2000]

Putting RDF to Work By Edd Dumbill
Tool and API support for the Resource Description Framework is slowly coming of age. Edd Dumbill takes a look at RDFDB, one of the most exciting new RDF toolkits. [Aug. 9, 2000]

Report from Montreal By Lisa Rein
Lisa Rein reports from MetaStructures 99 and XML Developers' Day. [Aug. 25, 1999]

XSL Considered Harmful, Part 2 By Michael Leventhal
This article demonstrates how a combination of CSS and DOM are sufficient to do what you'd need XSL for. [May. 20, 1999]

XSL is an Ugly, Difficult Language By Michael Leventhal
 [May. 20, 1999]

Semantic Information Threatened by XSL By Michael Leventhal
 [May. 20, 1999]

XSL has Set Back the Web at least 2 Years By Michael Leventhal
 [May. 20, 1999]

XSL Has Nothing New for the Web By Michael Leventhal
 [May. 20, 1999]

XSL Does Not Support Interactive Web Documents By Michael Leventhal
 [May. 20, 1999]

What's the Big Deal With XSL? (Sections 7 and 8) By G. Ken Holman
In sections 7 and 8 of this overview of XSL, we tell you where to find more information on XSL and conclude our overview. [Apr. 22, 1999]

What's the Big Deal With XSL? (Sections 5 and 6) By G. Ken Holman
In sections 5 and 6 of this overview of XSL, we look at the XSL support in Microsoft Internet Explorer 5 and the W3C's Working Draft for XSL. [Apr. 22, 1999]

What's the Big Deal With XSL? (sections 3 and 4) By G. Ken Holman
In sections 3 and 4 of this overview of XSL, we look at CSS and what it does, and examine XSL for what it can and will do. [Apr. 22, 1999]

Wrapping Up 1998 By Liora Alschuler
As the year draws to a close, the XML.com editorial staff reviews recent progress--and lack of progress--in XML technology.  [Dec. 18, 1998]

Is HTML+Time Out-of-Sync With SMIL? By Lisa Rein
Microsoft's HTML+Time submission is a proposed HTML extension for describing time-based media. Is this approach in conflict with the recently approved SMIL recommendation? [Oct. 7, 1998]

I'm Baaaack! By Xavier McLipps
The Falling Interleaves of Autumn...Unseasonable Northwest Winds...Winter in Chicago, and Other Cruelty...ROTFL [Oct. 3, 1998]

Entities: What are They Good For? By Norman Walsh
What are entities in XML documents and how do I use them? The XML Q&A column has the answers. [Aug. 28, 1998]

Developers Driving XML in Montreal By Liora Alschuler, Lisa Rein
The XML Developers Conference in Montreal, convened by XML WG Chair Jon Bosak and sponsored by the GCA, was a great opportunity to cover the many fronts of XML development. [Aug. 28, 1998]

The Debut of XML:Geek By Peter Murray-Rust
XML.com is proud to welcome our XML:Geek columnist, Peter Murray-Rust, author of the JUMBO XML parser and co-manager the XML developer's mailing list (XML-DEV). XML:Geek asks 'how can I do something fundamentally new with XML? and where can I get the tools and components to help?'. [Aug. 28, 1998]

Types of Entities By Norman Walsh
Part 1 of Norman Walsh's XML Q&A column on entities. [Aug. 28, 1998]

Entity Declarations, Attributes and Expansion By Norman Walsh
Part 2 of Norman Walsh's XML Q&A column on entities. [Aug. 28, 1998]

Puzzlin' Evidence #2 Conference Sold Out ... Bicoastal Marketing Echo ... Accusations of Claquery ... Updates ... ROTFL [Apr. 2, 1998]

Puzzlin' Evidence #1 Inso &heart; Synex ... Adobe &heart; other peoples' employees ... CNgroup What? ... X-Actly Who? ... ROTFL [Mar. 27, 1998]

Embedded Markup Considered Harmful By Theodor Holm Nelson
Hypertext's founding father artfully lays out some opposition to the conventional wisdom that SGML and its derivatives, HTML and XML are good things. [Oct. 2, 1997]

XML, Java, and the Future of the Web By Jon Bosak
Jon Bosak, the leader of the XML Working Group, reflects upon the development of XML and how it will open up new kinds of Web applications. [Oct. 2, 1997]

Under the Hood: Oracle Berkeley DB XML By Deepak Vohra
XML Databases, coupled with the power of XQuery, offer a potentially paradigm-changing way of dealing with data. The Oracle Berkeley DB XML database provides a rich XQuery-based engine that can be manipulated via XQuery, opening up possibilities for any web developer.  [May. 7, 2008]

XForms Thick Clients By Jack Cox
Jack Cox explains an approach to building XForms client applications that work in a disconnected environment. [Oct. 19, 2007]

XForms, XML Schema, and ROX By Kurt Cagle
Kurt Cagle describes ROX Server, a RESTful system for building XForms from an XML Schema and some other bits. [Aug. 17, 2007]

XQuery, libferris, and Virtual Filesystems By Ben Martin
Ben Martin returns with another look at his fascinating system, libferris, which turns everything into a filesystem, that is, a hierarchical data store. This time Ben shows us how to use XQuery with libferris as a kind of universal data access language. Good stuff! [Jul. 27, 2007]

XQuery and Data Abstraction By Kurt Cagle
In his most recent column Kurt Cagle explains the utility of XQuery for increased data abstraction and why XQuery is XPath plus some useful missing bits. [Jul. 12, 2007]

XQuery and Data TEST By Kurt Cagle
In his most recent column Kurt Cagle explains the utility of XQuery for increased data abstraction and why XQuery is XPath plus some useful missing bits. [Jul. 12, 2007]

XML Parser Benchmarks: Part 2 By Matthias Farwick, Michael Hafner
In the golden days, XML parser performance was a perpetually hot topic. And today it's still worth knowing which modern parsers offer the best performance. In this second of a two-part series, object parsers are compared. [May. 16, 2007]

Secure, Reliable Web Services with Apache By Kyle Gabhart
Kyle Gabhart returns with another look at part of the growing support for web services and SOA in Apache, this time focusing on secure messaging. [May. 2, 2007]

A Relational View of the Semantic Web By Andrew Newman
Andrew Newman describes SPARQL as a kind of relational query language over the Web itself; or, at least, over RDF and any data that can be mapped into RDF. He suggests that SPARQL is an excellent candidate Web 2.0 technology. [Mar. 14, 2007]

Enterprise SOA the Apache Way By Kyle Gabhart
SOA is just a bunch of silly three-letter acronyms, right? Well, maybe not: Apache has more than enough real-tech credibility to make the SOA doubters take another look when they learn that Apache and SOA go together very nicely. In this article Kyle Gabhart explains how to do SOA with Apache. [Mar. 7, 2007]

XUL-Enhanced Web Apps By Cedric Savarese
Cedric Savarese offers an interesting guide to using XUL to enhance web apps on Mozilla-compatible browsers. He very helpfully includes performance numbers, including comparisons to equivalent JavaScript widgets. [Feb. 6, 2007]

Music and Metadata By Chris Mitchell
Chris Mitchell offers an interesting take on music and the Semantic Web, using metadata to find a club with the right style of music. [Nov. 22, 2006]

Migrating to XForms By Paul Sobocinski
Paul Sobocinski explains how to start using XForms now by showing PHP code that will convert from XHTML to XForms and back to XHTML. [Nov. 1, 2006]

The XSLDataGrid: XSLT Rocks Ajax By Lindsey Simon
Lindsey Simon describes XSLDataGrid, an approach to dynamic display of tabular data using XSLT and Ajax. [Aug. 23, 2006]

Using XSLT to Fix Swing By Dave Horlick
Dave Horlick shows us how to use XSLT to fix HTML rendering bugs in Swing user interfaces. [Aug. 2, 2006]

Flash to the Rescue By Jason Levitt
Using Flash, Jason Levitt shows another variation of a workaround to the limitations of XMLHttpRequest object, the foundation of Ajax. [Jun. 28, 2006]

Putting REST on Rails By Dan Kubb
Rails is as hot as any web technology, and REST is heating up again. Dan Kubb demonstrates his Rails plugin for building RESTful web apps and services. [Apr. 19, 2006]

Query Census Data with RDF By Joshua Tauberer
In his second Hacking Congress column, Joshua Tauberer shows us how to query open data from the U.S. Census Bureau using RDF and Python's RDFLib. [Apr. 12, 2006]

Scripting Flickr with Python and REST By Uche Ogbuji
In his latest Agile Web column, Uche Ogbuji shows us how to use Python to interact with Flickr as a lightweight web service. [Jan. 25, 2006]

All Aboard AJAX, HTML Canvas, and the Supertrain By Dave Hoover
Dave Hoover shows us how to use AJAX, Ruby, and the new HTML canvas element to add simple animation and interactivity to web apps. [Jan. 18, 2006]

Creating XML with Ruby and Builder By Michael Fitzgerald
Mike Fitzgerald gets the new year started right with a look at generating XML in Ruby using Builder. [Jan. 4, 2006]

Hacking eBay: Turning Email Alerts into Atom By Bob DuCharme
Bob DuCharme, a long-time XML.com contributor, shows us how to turn eBay email alerts into an Atom channel. [Nov. 23, 2005]

REST on Rails By Matt Biddulph
Ruby on Rails is an increasingly popular framework for building web applications. Matt Biddulph shows us how good the fit is between Rails and lightweight REST web apps and services. [Nov. 2, 2005]

Is AJAX Here to Stay? By Jordan Frank
Jordan Frank takes a high-level look at the way AJAX is changing the Web and whether it's a technology that's going to stick around. [Oct. 5, 2005]

Processing Atom 1.0 By Uche Ogbuji
In his final Python-XML column, Uche Ogbuji shows us three ways to process Atom 1.0 feeds in Python. [Sep. 14, 2005]

Dispatching in a REST Protocol Application By Joe Gregorio
Joe Gregorio, in his latest Restful Web column, shows us how to write dispatch code to handle REST requests. [Aug. 17, 2005]

EaseXML: A Python Data-Binding Tool By Uche Ogbuji
In this month's Python and XML column, Uche Ogbuji examines a new XML data-binding tool for Python: EaseXML. [Jul. 27, 2005]

Secure RSS Syndication By Joe Gregorio
Joe Gregorio hacks a Greasemonkey script to make his browser decrypt a Blowfish-encrypted RSS channel on the fly. [Jul. 13, 2005]

The Evolution of JAXP By Rahul Srivastava
Rahul Srivastava provides an introduction and update to the latest release of JAXP, a Java XML API.  [Jul. 6, 2005]

Life After Ajax? By Micah Dubinko
Micah Dubinko says that the way Ajax technologies are presently deployed will eventually run into complexity barriers. It's time, he claims, for more declarative, markup-based alternative strategies. [Jun. 29, 2005]

Going Native, Part 3 By Ronald Bourret
Ronald Bourret, acknowledged XML database expert, concludes a three-part series that makes the case for native XML databases--this time focusing on schema evolution, web services, and hierarchical data. [May. 25, 2005]

Unicode Secrets By Uche Ogbuji
In his latest Python-XML column, Uche Ogbuji delves broadly and deeply into the world of Unicode, especially with regard to processing XML in Python. [May. 18, 2005]

Errors and AJAX By Joshua Gitlin
AJAX is hot, but is it real? How mature are the techniques, and can you use them right now? Joshua Gitlin offers a method for trapping client-side JavaScript errors and logging them, server-side, with AJAX. [May. 11, 2005]

Constructing or Traversing URIs? By Joe Gregorio
In his latest RESTful Web column, Joe Gregorio turns to an important design question: how will clients figure out the URIs of important resources in a Web service or app? [Apr. 6, 2005]

Writing and Reading XML with XIST By Uche Ogbuji
In Uche Ogbuji's latest Python and XML column he introduces XIST, which has been called "object-oriented XSLT for Python" -- a framework for manipulating XML Pythonically. [Mar. 16, 2005]

Comparing XSLT and XQuery By J. David Eisenberg
J. David Eisenberg asks, and answers, a vital question: if I already know XSLT, should I also learn XQuery? Get up to speed on the W3C's XML native programming language. [Mar. 9, 2005]

XML on a Chip By Jimmy Zhang
Jimmy Zhang asks whether custom processors can speed XML applications, and whether they can speed them enough to be worth the effort. [Mar. 9, 2005]

Show Me the Code By Joe Gregorio
Joe Gregorio returns with another Restful Web column, taking up the issue of designing a REST protocol for your application. [Mar. 2, 2005]

REST Reporting By Eric Gropp
Eric Gropp describes the design of a REST web service for creating paper reports using XSLT and XSLFO. [Feb. 16, 2005]

Introducing the Amara XML Toolkit By Uche Ogbuji
Uche Ogbuji introduces Amara, his new collection of XML tools for Python. [Jan. 19, 2005]

Amazon's Simple Queue Service By Joe Gregorio
In Joe Gregorio's latest Restful Web column, he explains that Amazon's Simple Queue Service, a web service offering a queue for reliable storage of transient messages, isn't as RESTful as it claims. [Jan. 5, 2005]

XQuery's Niche By Edd Dumbill
XQuery has been much hyped, but is it sufficiently different from XSLT to be successful? Edd Dumbill follows a debate looking for XQuery's niche.  [Dec. 29, 2004]

The Cost of XML By Edd Dumbill
The apparent overhead of using XML is once more in the spotlight, as is the financial overhead of using eBay's web services. Edd Dumbill reports. [Dec. 15, 2004]

Full XML Indexes with Gnosis By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji shows us how to index XML documents using Python's Gnosis Utilities. [Dec. 8, 2004]

On Folly By Edd Dumbill
XML-oriented programming languages? Crazy! The Semantic Web? Nuts! Or perhaps not. Edd Dumbill on how the crackpots were right all long. [Dec. 8, 2004]

How to Create a REST Protocol By Joe Gregorio
In his first installment of XML.com's new column, The Restful Web, Joe Gregorio, one of the people behind Atom, explains how to use REST to create an application protocol in four easy steps. [Dec. 1, 2004]

Using Customized Schema Constraints By Bob DuCharme
In the return of Bob DuCharme's Transforming XML column, he discusses ways to add customized constraints to schemas and how you can use XSLT as a bridge to implement them. [Nov. 10, 2004]

Introducing del.icio.us By Matt Biddulph
Matt Biddulph introduces del.icio.us, the social bookmarks manager, by showing us how to interact with it programmatically via Python. [Nov. 10, 2004]

Of Presidents and Ontologies By Paul Ford
At the pinnacle of election season in the U.S., Paul Ford returns with another Hacking Congress column. This time, Ford says things about the President using RDF and explains why the Semantic Web is about more than ontologies. [Nov. 3, 2004]

The State of Python-XML in 2004 By Uche Ogbuji
Uche Ogbuji reports on 74 Python-XML projects, giving us a status report on the state of Python-XML for 2004. [Oct. 13, 2004]

Schematron 1.5: Looking Under the Hood By Bob DuCharme
In his latest Transforming XML column Bob DuCharme explains the elegant simplicity of Schematron, a rule-based XML validation tool often implemented in XSLT. [Oct. 6, 2004]

Perl Parser Performance By Petr Cimprich
Petr Cimprich compares the performance of five Perl SAX2 parsers. Are you using the best one for your job? [Sep. 15, 2004]

Wrestling HTML By Uche Ogbuji
Uche Ogbuji's Python and XML column returns with a look at techniques for converting arbitrary and invalid HTML into XHTML. [Sep. 8, 2004]

Screenscraping the Senate By Paul Ford
In Paul Ford's first Hacking Congress column, he shows us how to turn information on the U.S. Senate site into RDF. [Sep. 1, 2004]

Constraining Validation By Edd Dumbill
What's the difference between validation and business rules? XML developers discuss how and why to use them. [Aug. 25, 2004]

Protocol Design: Reliablity and Security By Itamar Shtull-Trauring
In the fifth and final installment of his Designing Protocols series, Itamar Shtull-Trauring discusses issues relating to reliable and secure protocols, including TLS. [Aug. 25, 2004]

Serializing Java Objects with XStream By Michael Fitzgerald
Michael Fitzgerald gives us a quick lesson in using XStream to serialize and deserialize Java objects to and from XML. [Aug. 18, 2004]

Practical SAX Notes By Uche Ogbuji
Uche Ogbuji follows up on some of the practical aspects and implications of his latest Python and XML columns, including SAX and namespace issues. [Aug. 11, 2004]

Amazon's Web Services and XSLT By Bob DuCharme
In his latest Transforming XML column, Bob DuCharme introduces us to the XSLT processing-service component of Amazon's web services. [Aug. 4, 2004]

Decomposition, Process, Recomposition By Uche Ogbuji
In Uche Ogbuji's latest Python and XML column he explores a pattern for handling very large XML files easily and efficiently. [Jul. 28, 2004]

Introducing o:XML By Martin Klang
o:XML is an innovative object-oriented programming language in which XML is a first class type and also provides the concrete syntax. [Jul. 21, 2004]

Web Services Integration Patterns, Part 2 By Massimiliano Bigatti
The second part of our coverage of design patterns for web services arising from real-life implementation scenarios. [Jun. 30, 2004]

XML Namespaces Support in Python Tools, Part Three By Uche Ogbuji
In this month's Python and XML column Uche Ogbuji examines the namespace support in ElementTree, PyRXPU, and libxml. [Jun. 30, 2004]

Creating XML with Genx By Michael Fitzgerald
GenX is an easy-to-use C library for generating well-formed XML output. Learn how to use it in our introduction. [Jun. 23, 2004]

A First Look at the Kowari Triplestore By Paul Ford
An introduction to the Kowari open source RDF store. [Jun. 23, 2004]

Web Services Integration Patterns, Part 1 By Massimiliano Bigatti
These design patterns for web services arose from real-life implementation scenarios, using web services in banking applications. [Jun. 16, 2004]

Non-Extractive Parsing for XML By Jimmy Zhang
Changing the way XML parsers are written can make parsing more efficient and more flexible. [May. 19, 2004]

XML Namespaces Support in Python Tools, Part Two By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji continues his tour of XML namespaces support in Python tools, focusing this time on 4Suite. [May. 13, 2004]

SVG and Typography: Characters By Fabio Arciniegas A.
In this second part of our discussion of SVG and typography we explore some time-honored practices of typographic excellence. [May. 12, 2004]

Document-Centric .NET By Eric Gropp
Centering an application around XML exchange brings many benefits in flexibility and loose-coupling. [May. 12, 2004]

Developing Wireless Content using XHTML Mobile By Jean-Luc David
XHTML Mobile provides an answer to the proliferation of incompatible mobile markup solutions. Find out how to make mobile content, and ensure backwards compatibility. [Apr. 14, 2004]

An Atom-Powered Wiki By Joe Gregorio
As an example of implementing the Atom content management API, we set up a Wiki that can be accessed via Atom. [Apr. 14, 2004]

PyCon 2004: Making Python Faster and Better By Kendall Grant Clark
Highlights from the annual gathering of Python developers. Including news of Python 2.4, Python on the .NET CLR, web programming and more. [Mar. 31, 2004]

Creating and Consuming Web Services With PHP By Jean-Luc David
Find out how to create XML-RPC, SOAP and REST web services using PHP, the most popular scripting language for web applications. [Mar. 24, 2004]

XML Namespaces Support in Python Tools, Part 1 By Uche Ogbuji
Uche Ogbuji provides a hands-on introduction to Python's facilities for processing XML namespaces. [Mar. 10, 2004]

BumbleBee, the XQuery Test Harness By Jason Hunter
Jason Hunter introduces a testing framework for XQuery, which lets you write tests for your own queries and verify query engine interoperability. [Mar. 10, 2004]

From Wiki to XML, through SGML By Rick Jelliffe
XML made SGML obsolete, right? Not quite! Rick Jelliffe uses SGML to translate wiki text into XML. [Mar. 3, 2004]

Using XML Catalogs with JAXP By Tom White
XML Catalogs offer a way to manage local copies of public DTDs, schemas, or any XML resource that exists outside of the referring XML instance document. Find out how to use them in Java with JAXP. [Mar. 3, 2004]

Getting Reacquainted with dbXML 2.0 By Tom Bradford
The second version of dbXML is much improved over its predecessor, offering transactions, security features, new APIs and query mechanisms. Tom Bradford gives us an update. [Feb. 25, 2004]

Protocol Design: The Need for Speed By Itamar Shtull-Trauring
Part three of our series on designing protocols looks at how network transfer speed can be maximized. [Feb. 25, 2004]

Lightweight XML Search Servers, Part 2 By Jon Udell
Jon Udell enhances his lightweight XML search server by adding database backed storage, using the Berkeley DB XML database, and retrieving and indexing all of the weblogs he reads. [Feb. 18, 2004]

Television Listings and XMLTV By Kyle Downey
On a quest to build a DIY personal video recorder, Kyle Downey gets to grips with XMLTV, a toolkit for screen-scraping TV listings data into XML. [Feb. 18, 2004]

Combining RELAX NG and Schematron By Eddie Robertsson
Eddie Robertsson explains how RELAX NG and Schematron can be mixed in a single schema to get the combined validation power of both languages. [Feb. 11, 2004]

The Ox Documentation Tool By Michael Fitzgerald
Ox is a simple documentation tool for people who regularly work at the shell or command-prompt level: a Java program that accepts a keyword or term as input and then returns documentation for that term. [Jan. 28, 2004]

Lightweight XML Search Servers By Jon Udell
Jon Udell creates a lightweight XML search server using Python and the libxml/libxslt libraries. [Jan. 21, 2004]

Protocol Design: Sessions By Itamar Shtull-Trauring
In the second of his series on designing protocols, Itamar Shtull-Trauring discusses sessions, a way of grouping together messages. [Jan. 20, 2004]

Character Repertoire Validation for XML By Erik Wilde
This article presents a schema language for limiting the range of characters permitted in an XML document. It can be used to protect legacy applications or to enforce restrictions in document workflows. [Jan. 14, 2004]

DOM for Web Services, Part 3 By Faheem Khan
In the final part of his series on processing SOAP using W3C DOM, Faheem Khan covers Apache Xerces-J and explains when using DOM is appropriate. [Jan. 6, 2004]

Getting Started with XForms By Bob DuCharme
Bob DuCharme provides an implementation-centered guide to using XForms, the new W3C forms technology for the web. [Dec. 30, 2003]

Protocol Design: How Many Bytes? By Itamar Shtull-Trauring
In the first article of a new series on protocol design, Itamar Shtull-Trauring explores the different ways of indicating how many bytes are present in a protocol payload. [Nov. 25, 2003]

Using XSS4J for XML Encryption By Bilal Siddiqui
In the second part of his series on implementing web services security, Bilal Siddiqui introduces IBM alphaWorks' XML Security Suite for Java. [Nov. 25, 2003]

Creating an SVG Wiki By Danny Ayers
Wikis are a popular way of text-based collaboration on the web. Danny Ayers shows how to add SVG support to wikis, in order to share diagrams as well as text. [Nov. 19, 2003]

Enterprise Application Integration using Apache Cocoon 2.1 By Tony Culshaw
A case study of using Cocoon to build a web-based travel agency desktop system, integrating several backend systems. [Nov. 12, 2003]

DOM for Web Services, Part 2 By Faheem Khan
This article shows how to use Microsoft's Document Object Model (DOM) implementation to create a user interface for a web service from a WSDL file, with examples both in Internet Explorer and using ASP.NET. It provides a gentle introduction to the programmatic use of the DOM. [Nov. 11, 2003]

XSLT Reflection By Jirka Kosek
Reflection enables a programming language to inspect and modify its own code. XSLT, being expressed in XML, comes with this built in. This article shows how XSLT can be used to process XSLT to solve real problems. [Nov. 5, 2003]

XML Schema Design Patterns: Is Complex Type Derivation Unnecessary? By Dare Obasanjo
This article explores both derivation by restriction and derivation by extension of complex types in W3C XML Schema, showing the pros and cons of both techniques and alternative ways of achieving the same results. [Oct. 29, 2003]

Using Embedded XML Databases to Process Large Documents By Mark Wilcox
What do you do when you want the convenience of DOM programming, but your document size is more suited to using SAX? This handy tip shows that an embedded XML database can be just the ticket for processing such documents. [Oct. 22, 2003]

microdom: an XML DOM Designed For HTML By Itamar Shtull-Trauring
As the migration from broken HTML to XHTML continues on the web, we need tools that are capable of processing both. This article covers one such tool, microdom, that is capable of supporting legacy HTML both in input and output. [Oct. 15, 2003]

DOM for Web Services, Part 1 By Faheem Khan
In this first part of a three-part series, Faheem Khan introduces the application of the W3C's Document Object Model in processing web services. He also gives an overview of the main two DOM processors in use, Apache Xerces and Microsoft's MSXML. [Oct. 14, 2003]

What Is Service-Oriented Architecture By Hao He
Service-Oriented Architecture underpins most modern web services. It aims to achieve loose coupling between interacting software agents in order to preserve the benefits of reusability, extensibility and simplicity. [Sep. 30, 2003]

Integrating Services with XSLT By Will Provost
For all the magic that XML, SOAP, and WSDL offer in allowing businesses to interoperate, they do not solve the more traditional problems of integrating data models and message formats. This article shows how XSLT can be used to integrate data models across web services. [Sep. 30, 2003]

An Introduction to StAX By Elliotte Rusty Harold
StAX, the Streaming API for XML, is a new API for pull-parsing of XML, developed under the Java Community Process as JSR 173. O'Reilly author Elliotte Rusty Harold gives an introduction to this API, which combines the efficiency of SAX with the ease of use of tree-based APIs. [Sep. 17, 2003]

Using XPath with SOAP By Massimiliano Bigatti
There are many approaches to processing SOAP data, some more complex than others. One lightweight way is by using XPath to extract the items of interest. This article demonstrates a Java web service and client based around the Jaxen XPath API. [Sep. 16, 2003]

What Interoperability Isn't By Will Provost
The buzzword "interoperability" has grown to encompass a broad range of problems and is no longer a precise term. This article challenges several apparent interoperability problems in web services, many of which are really solved problems from other domains. [Sep. 2, 2003]

A Web Services Strategy for Mobile Phones By Nasseam Elkarra
Planning to deploy information services on mobile phones? This article gives an overview of the various technologies and routes available for mobile web service development. [Aug. 19, 2003]

Low Bandwidth SOAP By Jeff McHugh
Using web services on low resource J2ME devices is possible through Enhydra.org's KSOAP classes. This article shows you how to create lightweight web service clients and servers. [Aug. 19, 2003]

XSLT Recipes for Interacting with XML Data By Jon Udell
Continuing his experiments in pure XML-backed web sites, Jon Udell investigates various ways in which XSLT can be used to produce interactive pages from XML data. [Aug. 13, 2003]

EXSLT for MSXML By Dimitre Novatchev
Once thought an impossible task, MSXML now has EXSLT support, thanks to Dimitre Novatchev. In this fascinating article, the author explains the obstacles he overcame and how he implemented EXSLT. [Aug. 6, 2003]

WSDL Tales From the Trenches, Part 3 By Johan Peeters
This third and final part of WSDL Tales from the Trenches concentrates on the data aspects of web services. It discusses the type definitions and element declarations in the types element of a WSDL document. Such types and elements are used in the abstract messages in web service descriptions. [Aug. 5, 2003]

UML for Web Services By Will Provost
How can web services development be given a proper design process? Enter the Unified Modeling Language, or UML, which is the whiteboard notation for object-oriented analysis and design, and offers a natural fit to RPC-style service design. [Aug. 5, 2003]

Extending RSS By Danny Ayers
The RDF foundations of the RSS 1.0 specification make it easy to extend and mingle with other RDF vocabularies. This article shows how, and explains how these benefits can be reaped in RSS 2.0 feeds as well. [Jul. 23, 2003]

Web Services and Sessions By Sergey Beryozkin
Saving state in web services interactions is an important capability. This article reviews the various approaches to maintaining sessions in web services. [Jul. 22, 2003]

WSDL First By Will Provost
If you're serious about developing RPC-style Web services, you should know WSDL as well as you know W3C XML Schema, and be creating and editing descriptors frequently. Furthermore, your WSDL should be the starting point in your development process. [Jul. 22, 2003]

Understanding the node-set() Function By Jirka Kosek
In XSLT some surprisingly trivial requirements cannot be expressed in a straightforward way. This article describes how to overcome these problems by using the powerful node-set() extension function. [Jul. 16, 2003]

An XML Fragment Reader By William Brogden
Despite many potential uses of XML using fragments of XML text, not complete documents, XML parsers require complete documents to do their jobs properly. This article develops an XML fragment reading class for Java. [Jul. 16, 2003]

A Survey of APIs and Techniques for Processing XML By Dare Obasanjo
An overview of the current landscape of techniques for processing XML -- from old mainstays such as push model APIs and tree model APIs to newer participants in the XML world such as cursor APIs and pull model parsers. [Jul. 9, 2003]

The Document is the Database By Jon Udell
When we convert to a database-backed Web application in order to solve problems of shared editing and presentation-oriented file formats, we trade away the convenience of the file-oriented approach. Can we have our cake and eat it too? [Jul. 9, 2003]

Vox Populi: Web Services From the Grassroots By Rich Salz
In Rich Salz's latest column, he examines the effort to redefine simply site syndication, claiming that it's already technically superior to RSS 2.0. [Jul. 8, 2003]

Web-based XML Editing with W3C XML Schema and XSLT, Part 2 By Ali Mesbah, Arjan Vermeij
A followup to a previous article about web forms for editing XML documents with W3C XML Schema and XSLT. The updated solution now addresses the problems of adding new elements into instance documents and creating new documents. [Jun. 25, 2003]

Transforming XML with PHP By Bruno Pedro
Bruno Pedro examines the two main APIs for transforming XML from the PHP web scripting language: XML_Transformer and XSLT. [Jun. 18, 2003]

Writing and Debugging XQuery Web Apps with Qexo By Per Bothner
A tutorial on writing, installing, and debugging a web application written with the W3C XQuery language. The software used includes the open source Qexo XQuery implementation and the Tomcat application server. [Jun. 11, 2003]

Shortening XSLT Stylesheets By Manfred Knobloch
XSLT is often considered to be too verbose. As a stylesheet's code grows, it tends to be unreadable. This is not a fate stylesheet authors have to accept. This article proposes some ways of shortening stylesheets without loss of functionality, including the use of XSLT 2.0 user defined functions. [Jun. 11, 2003]

Structured Writing, Structured Search By Jon Udell
Jon Udell further explores the benefits of preserving structure in web content, suggesting that the availability of structured search for content could motivate the creation of the structured content itself. [Jun. 10, 2003]

Visualizing XSLT in SVG By Chimezie Ogbuji
XSLT stylesheets can rapidly become difficult to understand for anyone but their original author. By using XSLT on itself, this article demonstrates how to create a diagram explaining the flow of control within a stylesheet. [Jun. 4, 2003]

Designing a New Schema with XML Design Patterns By Kyle Downey
Following on from our articles on XML schema design patterns, this article applies these patterns to the design of a new schema, leveraging existing XML languages such as XHTML and RDF along the way. [Jun. 4, 2003]

WSDL Tales From The Trenches, Part 1 By Johan Peeters
In this first article in a new series about WSDL implementation experience, Johan Peeters describes some high level best practices for designing web services interfaces. [May. 27, 2003]

Interactive Web Applications with XQuery By Ivelin Ivanov
The W3C's XQuery language can be used to create HTML front ends to web services. Ivelin Ivanov demonstrates by wrapping Amazon's ListMania interface. [May. 14, 2003]

Berkeley DB XML: An Embedded XML Database By Paul Ford
Paul Ford introduces Sleepycat Software's Berkeley DB XML database, an XML-aware version of the popular Berkeley DB libraries, embedded in many software products. [May. 7, 2003]

Web-based XML Editing with W3C XML Schema and XSLT By Ali Mesbah
A solution to the problem of generating web forms for editing XML documents, utilising W3C XML Schema and XSLT. [Apr. 30, 2003]

An SVG Case Study: Integrated, Dynamic Avalanche Forecasting By Chris Cochella, Tyler Cruickshank
Avid backcountry skiers Chris Cochella and Tyler Cruickshank were frustrated by the irregular and distributed nature of avalanche danger information on the web, so they used Perl, MySQL and SVG to draw together an integrated avalanche forecasting tool. [Apr. 23, 2003]

Processing RSS By Ivelin Ivanov
In the first article of our new XQuery column, Ivelin Ivanov shows how XQuery makes light work of rendering multiple RSS files into a single HTML page. [Apr. 9, 2003]

Fast XSLT By Steve Punte
Steven Punte presents a review of the birth and development of the Apache XSLTC compiled-XSLT project and surveys the competition among XSLT processors. [Apr. 2, 2003]

Architectural Design Patterns for XML Documents By Kyle Downey
No one wants to reinvent the wheel. One way programmers try to reuse good ideas about object design is to look to catalogs of design patterns. In this article, Kyle Downey presents some patterns for designing XML document formats. [Mar. 26, 2003]

Creating SOAP Services with Cocoon By Steve Punte
This article introduces the XmlHttpTransformer component, which allows mid-pipeline Cocoon elements to operate as SOAP clients retrieving information from external services. [Mar. 18, 2003]

An Introduction to Streaming Transformations for XML By Oliver Becker, Paul Brown, Petr Cimprich
An introduction to Streaming Transformations for XML (STX), a template-based XML transformation language that operates on streams of SAX events. STX bears a strong resemblance to XSLT 1.0, the tree-driven transformation language for XML, but offers unique features and advantages for some applications. [Feb. 26, 2003]

XP and XML By Eric van der Vlist
Eric van der Vlist argues that the two worlds of XML and Extreme Programming have a lot to learn from each other, and that both could benefit from closer integration. [Feb. 19, 2003]

An Introduction to the Relaxer Schema Compiler By Michael Fitzgerald, ASAMI Tomoharu
Michael Fitzgerald and Tomoharu Asami introduce the Relaxer schema compiler, showing how to use it to generate schemas, stylesheets and Java code from instance documents and schemas. [Feb. 19, 2003]

Building Metadata Applications with RDF By Bob DuCharme
After some time wondering what to do with RDF, Bob DuCharme found RDFlib, a Python RDF processing library, and "the lightbulb finally went on." Bob describes his experiences. [Feb. 12, 2003]

XSLT, Browsers, and JavaScript By Bob DuCharme
Bob DuCharme, in this month's Transforming XML column, shows us how to include JavaScript in the HTML result tree of XSLT transformations. [Feb. 5, 2003]

Managing Enumerations in W3C XML Schemas By Anthony Coates
Tony Coates discusses best practices for managing W3C XML Schemas which include enumeration types, either under or out of the schema author's control. [Feb. 5, 2003]

XML Forms, Web Services and Apache Cocoon By Ivelin Ivanov
Server side business logic is often invariant with respect to the client device. Ivelin Ivanov shows how the Cocoon XMLForm framework addresses the concern of separating the purpose from the presentation of a form, maximizing its reusability for a variety of client devices.  [Jan. 29, 2003]

XML Pipelining with Ant By Michael Fitzgerald
The Ant build tool is a useful framework for XML pipelining--performing a variety of ordered XML processing in one session. Michael Fitzgerald shows how. [Jan. 28, 2003]

Excel Reports with Apache Cocoon and POI By Steve Punte
Steve Punte shows how to generate real-time reports for Microsoft Excel, using the Apache Java projects Cocoon and POI. [Jan. 22, 2003]

Transforming XML Schemas By Eric Gropp
Eric Gropp shows how XSLT can be used to transform W3C XML Schemas to create, among other things, HTML input forms, generate query interfaces, and documentation of data structures and interfaces. [Jan. 15, 2003]

The JAXB API By Kohsuke Kawaguchi
Koshuke Kawaguchi examines the latest release of Sun's Java Architecture for XML Binding, focusing particularly on the API through which applications use the JAXB-generated code to process XML. [Jan. 8, 2003]

Named Character Elements for XML By Anthony Coates, Zarella Rendon
Zarella Rendon and Tony Coates introduce xmlchar, a new library for using XML elements to provide human readable names for special characters in XML documents [Jan. 2, 2003]

Generating XML and HTML using XQuery By Per Bothner
Often perceived mainly as a query language, XQuery can actually be used to generate XML and HTML. Per Bothner provides a worked example, and compares XQuery with XSLT. [Dec. 23, 2002]

What Is RSS By Mark Pilgrim
In Mark Pilgrim's inaugural Dive Into XML column, he reviews the history and technical details of the varieties of RSS on the Web. He also describes a method for parsing most active RSS feeds. [Dec. 18, 2002]

A Data Model for Strongly Typed XML By Dare Obasanjo
Many applications that process XML associated datatypes with parts of a document, and would benefit from an XML data model that made available such typing information. Dare Obasanjo discusses the candidates for such a model. [Dec. 18, 2002]

Running Multiple XSLT Engines with Ant By Anthony Coates
Tony Coates shows how Ant, the Java-based cross platform build tool, can be used to create sophisticated XML build pipelines, and ensure consistency of operation over multiple XSLT engines. [Dec. 11, 2002]

Normalizing XML, Part 2 By Will Provost
In this second and final look at applying relational normalization techniques to W3C XML Schema data modeling, Will Provost discusses when not to normalize, the scope of uniqueness and the fourth and fifth normal forms. [Dec. 4, 2002]

The .NET Schema Object Model By Priya Lakshminarayanan
Priya Lakshminarayanan describes in detail the use of the .NET Schema Object Model for programmatic manipulation of W3C XML Schemas. [Dec. 4, 2002]

Getting Started with XOM By Michael Fitzgerald
Michael Fitzgerald provides an introduction to the XML Object Model (XOM), a new Java XML API created by noted XML author Elliotte Rusty Harold, and finds it simple and easy to use. [Nov. 27, 2002]

W3C XML Schema Design Patterns: Avoiding Complexity By Dare Obasanjo
Previous attempts to define an effective subset of W3C XML Schema have thrown the baby out with the bathwater, says Dare Obasanjo, who proposes a less conservative set of guidelines for working with W3C XML Schema. [Nov. 20, 2002]

Normalizing XML, Part 1 By Will Provost
Will Provost's XML Schema Clinic series takes a look at the relational features of W3C XML Schema, applying the concepts of relational normalization to schema design. [Nov. 13, 2002]

Proper XML Output in Python By Uche Ogbuji
In his latest Python and XML column, Uche Ogbuji explores the intricacies of creating proper XML output in Python, including character set and encoding issues. [Nov. 13, 2002]

XML and Database Mapping in .NET By Niel Bornstein
Continuing his look at .NET's XML processing from a Java point of view, Niel Bornstein discovers .NET's facilities for binding XML to databases. [Oct. 23, 2002]

XML Canonicalization, Part 2 By Bilal Siddiqui
In the second and final article of his series on XML Canonicalization, Bilal Siddiqui shows how to cope with documents that have CDATA sections, processing instructions, external entity references and comments. [Oct. 9, 2002]

Introducing Mutation Events By Antoine Quint
In his latest exploration of SVG, Antoine Quint introduces DOM Mutation Events as a way to integrate custom components more fully. [Oct. 9, 2002]

Working with a Metaschema By Will Provost
W3C XML Schema isn't just for validation -- in this article Will Provost demonstrates how adaptations of the schema for schemas can be used to drive applications. [Oct. 2, 2002]

XMLPULL: A Response By Stefan Haustein, Aleksander Slominski
The creators of the XMLPULL API for Java respond to Elliotte Rusty Harold's recent review of their API on XML.com [Sep. 25, 2002]

Dirty XSLT Output By John E. Simpson
John Simpson returns to answer more XML questions; this time he tackles a tricky interaction between implicit and explicit XSLT rules. [Sep. 25, 2002]

Euro-XML By Rick Jelliffe
The introduction of the Euro currency in Europe has brought about changes in commonly used character sets. Rick Jelliffe discusses the impact on XML applications. [Sep. 18, 2002]

XML Canonicalization By Bilal Siddiqui
Bilal Siddiqui explains the process of canonicalizing XML documents, useful in determining the logical equivalence of documents in order to secure XML exchanges. [Sep. 18, 2002]

Simple Text Wrapping By Antoine Quint
In his latest SVG column, Antoine Quint explains how to implement text wrapping in SVG. [Sep. 11, 2002]

Structural Patterns in XML By Will Provost
Will Provost shows how design patterns in XML structures can be used to help development of W3C XML Schemas. [Sep. 4, 2002]

Transporting Binary Data in SOAP By Rich Salz
In this month's Endpoints column, Rich Salz discusses the issue of transporting binary data in XML messaging, using the Soap with Attachments technique. [Aug. 28, 2002]

The XMLPULL API By Elliotte Rusty Harold
Elliotte Rusty Harold takes an analytical look at XMLPULL, an alternative parsing model to the well-known SAX and DOM approaches. [Aug. 14, 2002]

XSLT Processing in .NET By Joe Feser
Joe Feser gives an overview of the many ways XML can be transforming using XSLT within the Microsoft .NET Framework. [Aug. 14, 2002]

UML For W3C XML Schema Design By Will Provost
The latest installment of Will Provost's XML Schema Clinic series describes a UML profile for W3C XML Schema, allowing the modeling of schemas in UML. [Aug. 7, 2002]

XML Data-Binding: Comparing Castor to .NET By Niel Bornstein
In his continuing series comparing the use of XML with Java and .NET, Niel Bornstein examines the different approaches to data-binding available on the two platforms. [Jul. 24, 2002]

Building XML Portals with Cocoon By Matthew Langham, Carsten Ziegeler
Matthew Langham and Carsten Ziegeler describe the portal components they built for the Apache Cocoon Project. [Jul. 24, 2002]

Implementing XPath for Wireless Devices, Part II By Bilal Siddiqui
In the second of a two-part series, we explore the implementation of XPath on wireless devices using the WAP family of standards. [Jul. 17, 2002]

Processing SOAP Headers By Rich Salz
In this month's XML Endpoints column, Rich Salz explains how to process SOAP headers and why you'd want to. Along the way he predicts the demise of SAX-based SOAP processors. [Jul. 17, 2002]

Getting Started With Cocoon 2 By Steve Punte
An introduction to the Cocoon 2 XML publishing framework, demonstrating Cocoon's architecture with some simple applications. [Jul. 10, 2002]

W3C XML Schema Design Patterns: Dealing With Change By Dare Obasanjo
Designing schemas that support data evolution is beneficial in situations where the structure of the XML documents being processed may change as the application matures, but still need to be validated with the original schema.  [Jul. 3, 2002]

SVG Tips and Tricks: Adobe's SVG Viewer By Antoine Quint
Antoine Quint takes a look at the special features available in the most popular SVG viewer around, Adobe's SVG Viewer 3.0. [Jul. 3, 2002]

Editing XML Data Using XUpdate and HTML Forms By Chimezie Ogbuji
This article shows how XSLT and XUpdate can enable easy generation of HTML forms for web applications that need to let the user edit XML data through the browser. [Jun. 12, 2002]

Generating SOAP By Rich Salz
In Rich Salz's second XML Endpoints column, he uses Python to demonstrate generating SOAP code for talking to Google's web service. [Jun. 12, 2002]

Implementing XPath for Wireless Devices By Bilal Siddiqui
In the first of a two-part series, we explore the implementation of XPath on wireless devices using the WAP family of standards. [Jun. 5, 2002]

An Overview of MSXML 4.0 By Steven Livingstone
Microsoft's MSXML 4.0 is more than just an XML parser: MSXML expert Steven Livingstone gives us a tour of the functionality of the Microsoft XML toolkit. [Jun. 4, 2002]

Filling in the DTD Gaps with Schematron By Bob DuCharme
Schematron can be used to enhance the capabilities of systems currently using DTDs, without meaning a complete shift in validation technology. [May. 15, 2002]

Examining WSDL By Rich Salz
The XML Endpoints column returns with Rich Salz's discussion of the state of WSDL, with particular reference to the new Google web services API. [May. 15, 2002]

RelaxNGCC -- Bridging the Gap Between Schemas and Programs By Daisuke Okajima
The author of the Java-based compiler compiler for the RELAX NG XML schema language explains how mingling code with schemas provides a flexible method for validating XML documents. [May. 8, 2002]

REST Roundup By Leigh Dodds
This week's XML-Deviant surveys the multifaceted debates about the REST web application architecture. [May. 8, 2002]

Google's Gaffe By Paul Prescod
Paul Prescod explains why moving its API to use SOAP was a backward step for the popular search engine, and argues for a return to a pure HTTP and XML interface. [Apr. 24, 2002]

Beyond W3C XML Schema By Will Provost
Adding XPath and XSLT into your toolchain for validating documents can give you much more control than using W3C XML Schema alone. [Apr. 10, 2002]

What's New in XSLT 2.0 By Evan Lenz
A advance look at the useful and much-awaited new features in the second version of the W3C's XSLT language. [Apr. 10, 2002]

From JDOM to XmlDocument By Niel Bornstein
In this second part of his "Learning C# XML" series, Niel Bornstein shows how Java-based document processing with JDOM translates into the .NET world with C#. [Apr. 3, 2002]

Putting Attributes to Work By Bob DuCharme
In this month's Transforming XML column, Bob DuCharme examines the treatment of source tree attributes in XSL stylesheets. [Apr. 3, 2002]

Template Languages in XSLT By Jason Diamond
Handy as it is, XSLT fails to bring a proper separation between content and presentation. This article demonstrates how XSLT can be used to implement a template language more suitable for everyday use. [Mar. 27, 2002]

Inside Sablotron: Virtual XML Documents By Petr Cimprich
The Sablotron open source XSLT processor has an API that enables it to process "virtual XML documents," bringing with it a flexible and efficient approach to processing both XML and non-XML data sources. [Mar. 13, 2002]

Creating Efficient MSXML Applications By Ben Berck
How a resource hungry XML processing application was made efficient and scalabale. [Mar. 6, 2002]

Learning C# XML By Niel Bornstein
The first in a series providing an introduction to Microsoft's C# XML APIs from the perspective of a Java programmer. [Mar. 6, 2002]

Server Side SVG By J. David Eisenberg
SVG tools aren't just for the client side: find out how the Apache Batik toolkit can enable your web server to SVG on the fly, providing fallback to JPEG or PNG images for browsers without SVG support. [Feb. 27, 2002]

The Visual Display of Quantitative XML By Fabio Arciniegas A.
A tutorial on how to use SVG and XSLT to present your data in the most appropriate, efficient and attractive way possible. [Feb. 27, 2002]

REST and the Real World By Paul Prescod
Following on from his "Next Generation Web Services" article, Paul Prescod shows how the REST model for web services meets real world demands such as security, auditing and orchestration. [Feb. 20, 2002]

Top Ten FAQs for Web Services By Ethan Cerami
Ethan Cerami, author of Web Services Essentials answers ten of the most frequently asked questions about Web services, from what one is to how you can get started. [Feb. 12, 2002]

Second Generation Web Services By Paul Prescod
If SOAP and friends are the first generation of web services, what will the future look like? Paul Prescod explains how the basics of HTTP, XML and URIs will underlie second generation web services. [Feb. 6, 2002]

Declaring Keys and Performing Lookups By Bob DuCharme
This month's Transforming XML column explains how to use xsl:key and key() to do value lookups in XSLT stylesheets. [Feb. 6, 2002]

The Value of Names in Attributes By Kendall Grant Clark
The struggle with namespaces in XML continues in the developer community. Recent discussion has centered on the wisdom of the use of qualified names in attribute values by languages such as XSLT and W3C XML Schema. [Feb. 6, 2002]

Relax NG, Compared By Eric van der Vlist
A feature-by-feature explanation of the RELAX NG XML schema language, with reference to the features provided by the W3C's XML Schema Definition Language. [Jan. 23, 2002]

Interactive Web Services with XForms By Micah Dubinko
The W3C's new XForms technology can be used to attach user interfaces to web services, making efficient use of existing infrastructure. [Jan. 16, 2002]

An Introduction to the XML:DB API By Kimbro Staken
The growing number of native XML databases all have different programming interfaces. The XML:DB API is an open source project to provide a unified API for native XML databases. [Jan. 9, 2002]

From Excel to XML By John E. Simpson
John Simpson discusses converting spreadsheets to XML, and returns to the issue of legal XML element names. [Jan. 9, 2002]

Top Ten SAX2 Tips By David Brownell
Learn how to get the best out of the Simple API for XML from the author of O'Reilly's upcoming book on SAX2. [Dec. 5, 2001]

Data Encoding or Data 'n Coding? By Timothy Ewald, Martin Gudgin
How should XML types and programming language types be related? This month's XML Endpoints column offers a clear discussion of the relevant positions. [Nov. 21, 2001]

XML::LibXML - An XML::Parser Alternative By Kip Hampton
Kip Hampton discusses XML::LibXML, a capable, updated alternative to Perl's venerable and venerated XML::Parser. [Nov. 14, 2001]

Controlling Whitespace, Part 1 By Bob DuCharme
In the first of a multipart series, Bob DuCharme discusses stripping and preserving whitespace in XSLT transformations of XML documents. [Nov. 7, 2001]

Introduction to Native XML Databases By Kimbro Staken
Native XML databases are an important part of the emerging XML software infrastructure. This article explains their features, strengths and weaknesses. [Oct. 31, 2001]

The Selfish Tag By Edd Dumbill
Even in the standards-led world of today, an attitude of pragmatic selfishness is the best policy for developers using XML in their applications. [Oct. 24, 2001]

XML and Databases? Follow Your Nose By Leigh Dodds
Leigh Dodds explores the sometimes pungent, often sweet world of XML-database integration requirement smells. [Oct. 24, 2001]

Building Web Services with FileMaker Pro By Bill Humphries
By creating PHP code to work with FileMaker Pro's XML interface, Bill Humphries shows how to create FileMaker-based solutions for workgroup intranets. [Oct. 17, 2001]

Modeling XML Vocabularies with UML: Part III By Dave Carlson
The final installment in our series on modeling XML vocabularies presents extensions to UML for its use with W3C XML Schema. [Oct. 10, 2001]

XML You Can Touch By Edd Dumbill
What's really hot these days in XML isn't the latest spec, but it's the software that's using XML. Edd Dumbill takes a look at how XML has been adopted in the GNOME desktop platform. [Oct. 10, 2001]

Generating Unique IDs and Linking to Them By Bob DuCharme
Bob DuCharme explains the creation and use of unique element IDs, using XSLT's generate-id(), in order to build complex document links. [Oct. 3, 2001]

Valid Frustrations By John E. Simpson
John Simpson talks about some of the limits of DTD content models, suggesting an interesting XSLT-based alternative. [Sep. 26, 2001]

Modeling XML Vocabularies with UML: Part II By Dave Carlson
In the second part of our series on modeling XML vocabularies Dave Carlson describes how to map models from UML to the W3C XML Schema Definition Language. [Sep. 19, 2001]

Writing SAX Drivers for Non-XML Data By Kip Hampton
Kip Hampton shows us how to write drivers to produce SAX events and, thus, XML documents from non-XML data sources. [Sep. 19, 2001]

XSLT Extensions By Bob DuCharme
Bob DuCharme explores XSLT extension functions, showing you the best way to use them in portable stylesheets. [Sep. 5, 2001]

Modeling XML Vocabularies with UML: Part I By Dave Carlson
In the first of a three-part series Dave Carlson describes how UML can be put to use in modeling XML vocabularies. [Aug. 22, 2001]

Architectural Style By Leigh Dodds
Leigh Dodds reviews a debate about the usefulness of XSLT, concluding that if used as intended, XSLT is one of the successful XML technologies. [Aug. 15, 2001]

Creating VoiceXML Applications With Perl By Kip Hampton
Kip Hampton shows you how to use VoiceXML and Perl to connect the telephone to the Web. [Aug. 9, 2001]

Doing it Simpler By Leigh Dodds
Dodds recaps the history of SML-DEV's efforts to simplify XML, including Common XML, MinML, and YAML. He then examines where SML-DEV may be going next. [Aug. 1, 2001]

The RDF Calendar Task Force By Leigh Dodds
Dodds describes the goals and methodology of the RDF Calendar Task Force, a practical Semantic Web development effort. [Jul. 25, 2001]

RDF Applications with Prolog By Bijan Parsia
In the second article in our series on RDF and Prolog, we compare the use of Prolog and XSLT to render RDF into HTML. [Jul. 25, 2001]

The Collected Works of SAX By Leigh Dodds
Dodds reports on XML-DEV's latest efforts to enhance the SAX API and to build a standard library of SAX tools. [Jul. 18, 2001]

Creating Scalable Vector Graphics with Perl By Kip Hampton
Kip Hampton demonstrates how to use Perl, XML, and SVG to generate useful and attractive graphics dynamically. [Jul. 11, 2001]

Using XML to Configure Groove By Brian Buehling
Groove is a peer-to-peer groupware solution, launched earlier this year. Brian Buehling investigates how XML is used to support the creation of custom Groove applications. [Jul. 11, 2001]

Namespace Nuances By John E. Simpson
This month's Q&A column tackles the question of how to write DTDs for XML applications that use namespaces. [Jul. 5, 2001]

Against the Grain By Leigh Dodds
XML developers are talking about a perennial question: how can XML and database technologies be integrated appropriately? [Jul. 5, 2001]

Math and XSLT By Bob DuCharme
XSLT is primarily for transforming text, but you can use it to do basic math too. [Jul. 5, 2001]

Storing XML in Relational Databases By Igor Dayen
A survey of the techniques used by the major vendors to store XML in their databases, and a proposition for a database-independent XML framework. [Jun. 20, 2001]

Perl XML Quickstart: Convenience Modules By Kip Hampton
The third and final part of our guide to Perl XML modules covers some handy modules geared to specific tasks. [Jun. 13, 2001]

Big Documents, Little Attributes By John E. Simpson
This month our Q&A column tackles storing large numbers of records in XML, and explains the use of attribute definitions in DTDs. [Jun. 6, 2001]

W3C XML Schema Made Simple By Kohsuke Kawaguchi
The W3C XML Schema Definition Language can be easy to learn and use, claims Kohsuke Kawaguchi -- you just need to know what to avoid. [Jun. 6, 2001]

Using the Jena API to Process RDF By Joe Verzulli
Jena is a freely-available Java API for processing RDF. This article provides an introduction to the API and its implementation. [May. 23, 2001]

Perl XML Quickstart: The Standard XML Interfaces By Kip Hampton
In the second part of our guide to XML and Perl, we cover the Perl implementations of the standard XML APIs DOM, SAX, and XPath. [May. 16, 2001]

Mapping DTDs to Databases By Ronald Bourret
This in-depth article describes best practice for mapping XML documents to databases. [May. 9, 2001]

Parsing the Atom By Leigh Dodds
Not every piece of data the XML programmer has to deal with comes neatly packaged in angle brackets. XML developers have been examining how W3C XML Schema could help out. [Apr. 25, 2001]

Intuition and Binary XML By Leigh Dodds
Binary encodings for XML is a well-worn topicon XML-DEV, yet last week's revisiting of the debate introduced some interesting new evidence. [Apr. 18, 2001]

Perl XML Quickstart: The Perl XML Interfaces By Kip Hampton
This first installment of our guide to Perl and XML covers Perl-specific interfaces for reading and writing XML. [Apr. 18, 2001]

TREX Basics By J. David Eisenberg
TREX is an alternative schema language created by James Clark, designed to be simpler and more lightweight than W3C's XML Schema. [Apr. 11, 2001]

XP Meets XML By Leigh Dodds
The XML-Deviant has been watching advocates of the latest trend in software development, Extreme Programming, get to grips with XML. At least they have acronyms in common. [Apr. 4, 2001]

A Brief History of SOAP By Don Box
An insider's view of the last three years of SOAP's development, its relationship with W3C XML Schema, and an assessment of where XML protocols should go next. [Apr. 4, 2001]

DTDs, Industry Markup Languages, XSLT and Special Characters By John E. Simpson
Our monthly question and answer column returns to solve all your tricky problems with XML. [Mar. 28, 2001]

XSLT Processor Benchmarks By Cyrus Dolph, Eugene Kuznetsov
The latest benchmark figures for XSLT processors show Microsoft's processor riding high, with strong performance from open source processors. [Mar. 28, 2001]

Using XML::Twig By Kip Hampton
XML::Twig provides a fast, memory-efficient way to handle large XML documents, which is useful when the needs of your application make using the SAX interface overly complex.  [Mar. 21, 2001]

TAXI to the Future By Tim Bray
Tim Bray presents TAXI, a Web application architecture that utilises the power of XML to deliver a responsive user environment. [Mar. 14, 2001]

Extensions to XSLT By Leigh Dodds
Members of the XSL mailing list have started a commnunity-based project to standardize extensions for XSLT. [Mar. 14, 2001]

Toward an XPath API By Leigh Dodds
Since XSLT and XPointer rely on XPath, developers are asking whether an XPath API should be created. [Mar. 7, 2001]

Answering the Namespace Riddle By Leigh Dodds
Dodds introduces RDDL, the Resource Directory Description Language, the result of a recent project conducted by the XML developer community to make XML namespaces easier to use. [Feb. 28, 2001]

High-Performance XML Parsing With SAX By Kip Hampton
Manipulating XML documents in Perl using DOM or XPath can hit a performance barrier with large documents -- the answer is to use SAX. [Feb. 14, 2001]

Functional Programming and XML By Bijan Parsia
Current XML programming practice is dominated heavily by object-oriented techniques, but are we missing out on new and innovative ways of handling XML? Find out in our whistle-stop tour of functional programming and XML.  [Feb. 14, 2001]

Adventures with OpenOffice and XML By Matt Sergeant
We explore the new XML output format in the open source word processor OpenOffice, and its potential to change the face of open source XML content management. [Feb. 7, 2001]

Setting and Using Variables and Parameters By Bob DuCharme
This article shows how variables and parameters can be used in XSLT stylesheets to substitute values into templates.  [Feb. 7, 2001]

Dictionaries and Datagrams By Leigh Dodds
XML developers have been reexamining the textual encoding of XML, addressing concerns of verbosity and multilingual elements. [Jan. 24, 2001]

Creating Web Utilities Using XML::XPath By Kip Hampton
Using XML on your web site means more than just valid XHTML: our monthly Perl and XML column explores some possibilities for the automation of an all-XML web site. [Jan. 10, 2001]

The W3C XML Schema Specification in Context By Rick Jelliffe
This article compares the W3C XML Schema Definition Language with XML document instances and DTDs, SGML DTDs, Perl regular expressions, and alternative schema technologies such as RELAX and Schematron. [Jan. 10, 2001]

Axis Powers: Part Two By Bob DuCharme
Part one of this series introduced the role of XPath axes in XSLT. This article explains the remaining axes and shows how to handle namespaces in XPath. [Jan. 3, 2001]

Staying in Synch By Didier Martin
SyncML is a new standard aimed at keeping your data synchronized between devices both large and small. Didier Martin provides a whirlwind tour of this new technology. [Dec. 27, 2000]

Axis Powers: Part One By Bob DuCharme
In this first installment of a two-part series, we examine the vital role of XPath in XSLT, and introduce the axes used in XPath expressions. [Dec. 20, 2000]

Using XML and Relational Databases with Perl By Kip Hampton
This article explores how Perl can be used to transfer data between XML and relational databases, and how XML can bridge two disparate databases. [Dec. 13, 2000]

Will XML replace HTML? By John E. Simpson
The relationship between XML and HTML is often confusing for the Web developer coming to XML for the first time. Our Q&A column explains all. [Dec. 13, 2000]

XML 2000 Focuses on Schemas By Eric van der Vlist
Reports from the first afternoon of the "XML Leading Edge" track from XML 2000, which was dedicated to the W3C XML Schema Definition Language. [Dec. 6, 2000]

Developers' Day at XML 2000 By Edd Dumbill
The XML Developers' Day at XML 2000, chaired by Jon Bosak, was composed of "late-breaking" developments in XML, and provided many valuable insights into developing XML systems. [Dec. 5, 2000]

Validating XML with Schematron By Chimezie Ogbuji
Schematron is an XSLT-based language for validating XML documents. This article explains why schema languages are required and introduces the principles behind Schematron. [Nov. 22, 2000]

Simple XML Validation with Perl By Kip Hampton
A combination of Perl and XPath can provide a quick, lightweight solution for validating documents. Find out how in the first installment of our new monthly Perl and XML column. [Nov. 8, 2000]

The Semantic Web: A Primer By Edd Dumbill
The question "What is the Semantic Web?" is being asked with increasing frequency. While mainstream media is content with a high level view, XML developers want to know more, and discover the substance behind the vision. [Nov. 1, 2000]

Combining Stylesheets with Include and Import By Bob DuCharme
XSLT provides two means of combining multiple stylesheets into one, include and import. This article explores the use of these instructions and shows how they can be used to customize the DocBook XSLT stylesheets. [Nov. 1, 2000]

RELAX Quick Reference By J. David Eisenberg
A quick reference to RELAX schema definition language, covering all its major features. [Oct. 16, 2000]

Learning to RELAX By J. David Eisenberg
The RELAX schema language is a simpler alternative to W3C XML Schemas. This easy-to-read tutorial shows you just how easy it can be to RELAX. [Oct. 16, 2000]

XML Reduced By Leigh Dodds
Is the incessant multiplication of XML standards leading to confusion, and what is the real minimum a developer needs to know about XML in order to do useful work? [Oct. 11, 2000]

What's Wrong with Perl and XML? By Michel Rodriguez
Perl, the choice of many for programming on the Web, lags behind Java and C++ in the XML popularity contest. Michel Rodriguez shares his opinions on what's wrong, and what could be done about it. [Oct. 11, 2000]

HTML and XSLT By Bob DuCharme
While HTML isn't an XML application itself, it can be both generated and transformed using XSLT. Bob DuCharme show us how. [Aug. 30, 2000]

Adapting Content for VoiceXML By Didier Martin
In the second part of his "Write Once, Publish Everywhere" project, Didier Martin takes us through creating content for voice browsers. [Aug. 23, 2000]

Choosing an XML Parser By John E. Simpson
Validating or non-validating? Java-based, Perl, or C? This month we tackle the tricky issue of which parser to use for your XML applications. [Aug. 22, 2000]

Write Once, Publish Everywhere By Didier Martin
Didier Martin leads us through building a portal accessible by HTML, WML, and VoiceXML. This week's article introduces the project and covers the login process. [Aug. 16, 2000]

Processing Inclusions with XSLT By Eric van der Vlist
Processing document inclusions with general XML tools can be problematic. This article proposes a way of preserving inclusion information through SAX-based processing. [Aug. 9, 2000]

Putting RDF to Work By Edd Dumbill
Tool and API support for the Resource Description Framework is slowly coming of age. Edd Dumbill takes a look at RDFDB, one of the most exciting new RDF toolkits. [Aug. 9, 2000]

Adding New Elements and Attributes By Bob DuCharme
This month's installment of our XSLT tutorial covers adding new elements and attributes to the results of your XSLT transformations. [Aug. 2, 2000]

XML Questions Answered By John E. Simpson
In the first of our new monthly XML Q&A columns we tackle the problem of converting HTML to XML, ask "What is markup?", and discover whether XML has any weaknesses. [Jul. 26, 2000]

Codename Spinnaker By Leigh Dodds
Despite starting off life in a rather turbulent fashion, the "Xerces Refactoring Intiative" promises to improve both the software and the internal structure of the Apache XML Project. [Jul. 19, 2000]

Visual Basic Special Edition This special edition of XML.com is dedicated to exploring how XML can be used with Visual Basic, one of the most widespread programming environments. Find out more about using VB with the DOM, XSLT and SOAP. [Jul. 12, 2000]

Visual Basic and the XML DOM: An Annotated Example By Mark Wilson, Tracey Wilson
Our annotated example gives an easy introduction to using Visual Basic and XML together. This article is an extract from the book "XML Programming with VB and ASP." [Jul. 12, 2000]

XML and Visual Basic By Kurt Cagle
What happens when one of the most popular programming languages in the world meets XML? This article explains how to use XML with Visual Basic, and the effect XML is having on VB application design.  [Jul. 12, 2000]

VB as Device Controller By Kurt Cagle
 [Jul. 12, 2000]

Exposing Application Services With SOAP By James Snell
In this tutorial for advanced users of Visual Basic, James Snell shares his experience of the Microsoft SOAP toolkit and demonstrates how to construct web services. [Jul. 12, 2000]

More To WAP Than Meets The Eye By Didier Martin
HDML is still a widespread language for marking up mobile phone content. Didier Martin introduces us to the differences between HDML and WML, and shows how HDML can be created from XML. [Jul. 5, 2000]

XPathScript: An Alternative To XSLT By Matt Sergeant
XPathScript brings the power of XPath into a familiar ASP-like web development environment, using mod_perl and Apache. In this article, XPathScript's author explains its main features and advantages. [Jul. 5, 2000]

Quilt Has Querying Covered By Edd Dumbill
Jonathan Robie of Software AG kicked off the XML Europe session on XML Query languages Tuesday afternoon with a description of the Quilt language. [Jun. 13, 2000]

XMLterm: A Mozilla-based Semantic User Interface By R. Saravanan
Mozilla's support for rendering XML and CSS offers the capability for creating new types of user interfaces, combining aspects of the command line, GUI, and web interfaces. In this article, the author of XMLterm explains his project to integrate the Unix shell and Mozilla. [Jun. 7, 2000]

A Mobile Window on our Portal By Didier Martin
As promised, we return to our HTML/WML portal project to demonstrate creating the WML side of the portal using XSLT, XLink, and XInclude. [May. 31, 2000]

AxKit: XML Web Publishing with Apache and mod_perl By Matt Sergeant
AxKit is a new Apache- and Perl-based solution for publishing web pages using XML and style sheets. In this article AxKit's creator, Matt Sergeant, describes the architecture and the future direction of the project. [May. 24, 2000]

How AxKit Works By Matt Sergeant
AxKit is a new Apache- and Perl-based solution for publishing web pages using XML and style sheets. In this article AxKit's creator, Matt Sergeant, describes the architecture and the future direction of the project. [May. 24, 2000]

XML at Jetspeed By Edd Dumbill
Jetspeed is a new open source project to create a Java and XML-based enterprise information portal. We review the progress so far and examine the possibilities for the project's future. [May. 15, 2000]

XML Conformance Update By David Brownell
Since our last round of conformance tests, significant changes have happened in the XML parser world. Our latest XML conformance tests yield good results from open source parsers, but disappointing ones from Microsoft and Oracle. [May. 10, 2000]

JDOM and TRaX By Leigh Dodds
Two innovative technologies have recently been announced to the XML developer community: JDOM, a Java-specific DOM; and TRaX, an API for XML transformations. [May. 3, 2000]

Generic Data Models and Schemas By Jeff Lowery
In a response to an article on XML.com ("Keep it Simple"), reader Jeff Lowery writes to share how he is using the DOM in his applications, and his wishes for XML Schema integration in programming languages. [May. 3, 2000]

On Display: XML Web Pages with Internet Explorer 5.x By Simon St. Laurent
Completing our survey of XML browsing support, we take a look at Microsoft's Internet Explorer, and attempt to create a cross-browser XML document that works in Mozilla, Opera, and MSIE. [May. 2, 2000]

RAX: An XML Database API By Sean McGrath
Neither SAX nor DOM are well-suited to processing database-generated XML. RAX is a record-oriented API to XML data that reduces the overhead and complexity of handling XML generated from databases. [Apr. 26, 2000]

Character Encodings in XML and Perl By Michel Rodriguez
This article examines how to handle character encodings with XML and Perl: which encodings are handled natively, converting to and from Unicode, and what to do when your tools don't support Unicode. [Apr. 26, 2000]

Groves Explained By Fabio Arciniegas A.
Every so often somebody on an XML mailing list will tell you that groves are the answer to all your problems. But what exactly are they? Fabio Arciniegas A. presents an introduction to groves and their use. [Apr. 19, 2000]

Processing XML with Perl By Michel Rodriguez
Perl has an unparalleled wealth of XML support, but where do you start? Can you tell a twig from a tree? Can you see the DOM for the groves? Read on to find out which Perl module to use for your XML processing. [Apr. 5, 2000]

Processing XML with Perl - Part 2 By Michel Rodriguez
Perl has an unparalleled wealth of XML support, but where do you start? Can you tell a twig from a tree? Can you see the DOM for the groves? Read on to find out which Perl module to use for your XML processing. [Apr. 5, 2000]

Keep it Simple... By Edd Dumbill
The popularity of Sean McGrath's PYX notation has highlighted the value of simple syntax-based XML processing. Why stack layer upon layer of processing when you don't need it? [Mar. 29, 2000]

On Display: XML Web Pages with Mozilla By Simon St. Laurent
Widespread support for XML in browsers is finally on the horizon. In the first of a series covering Mozilla, IE, and Opera, Simon St.Laurent looks at formatting XML with CSS2 inside Mozilla.  [Mar. 29, 2000]

Integration by Parts: XSLT, XLink and SVG By Didier Martin
Didier Martin gives us a practical demonstration of the power of XSLT, XLink and SVG, bringing them together to generate interactive, illustrated, technical documentation. [Mar. 22, 2000]

Pyxie Perfect By Edd Dumbill
Last week's article about Pyxie fired the imagination of XML.com's readers. Now Pyxie has Java and Perl implementations too! [Mar. 22, 2000]

Pyxie By Sean McGrath
Ingeniously combining concepts from SGML with the ethos of simplicity, Pyxie presents a powerful alternative to existing methods for processing XML. [Mar. 15, 2000]

Fooling with XUL By Edd Dumbill
With the mounting excitement about Mozilla, we decided to check out the promise of the XML, DOM, and CSS in combination with the XUL user interface language. [Mar. 15, 2000]

Fooling with XUL - Part 2 By Edd Dumbill
 [Mar. 15, 2000]

Relax, and Take it Easy By Simon St. Laurent
Delegates to XTech 2000 on Wednesday were shown two technologies aimed at making their lives easier: EasySAX, a Python XML processor, and RELAX, a simplified schema language. [Mar. 2, 2000]

Bleeding-Edge XML: XLink and Apache By Edd Dumbill
In the first of our reports from XTech 2000, we examine the XLink specification and learn about XML web publishing from the Apache XML Project. [Feb. 28, 2000]

Advanced XML Applications in Zope By Amos Latteier
Concluding his three-part tutorial on XML and Zope, Amos Latteier discusses the wider implications of creating XML applications with Zope, demonstrating with the creation of an RSS channel class. [Feb. 23, 2000]

Design Patterns in XML Applications: Part II By Fabio Arciniegas A.
In the concluding part of this series, Fabio Arciniegas A. examines the use of XML-specific design patterns in applications and DTD design. [Feb. 16, 2000]

Inside SOAP By Don Box
A technical introduction to SOAP, an XML-over-HTTP remote procedure protocol. SOAP was recently submitted to the IETF as an Internet Draft. [Feb. 9, 2000]

Design Patterns in XML Applications By Fabio Arciniegas A.
Design patterns are a useful technique for the transmission of knowledge about recurrent problems in software development. Fabio Arciniegas A. investigates their application to XML processing. [Jan. 19, 2000]

Internet Scripting: Zope and XML-RPC By Amos Latteier
Examining how the Zope application server uses XML-RPC to allow remote scripting of objects via the Web. [Jan. 12, 2000]

Creating XML Applications With Zope By Amos Latteier
Zope is an open source Python-based web application server. Amos Latteier, author of Zope's XML support, shows how to use it to create simple XML-based applications. [Dec. 15, 1999]

XML Processing with Python By Sean McGrath
XML'99 got underway Sunday with tutorials from XML experts. Today we bring you a taste of those tutorials from Sean McGrath, who is teaching a course on XML with Python. Sean presents an overview of the popular language, and some sample XML processing programs. [Dec. 6, 1999]

Describing your Data: DTDs and XML Schemas By Simon St. Laurent
Are you confused about which XML schema syntax to use? Concerned that your XML applications remain interoperable with future XML schema standards? Simon St. Laurent guides us through the maze of XML schema languages, focusing on DTDs and XML Schemas. [Dec. 1, 1999]

XML Programming with C++ By Fabio Arciniegas A.
SAX or DOM? Fabio Arciniegas A. examines various approaches to using XML in C++ applications, demonstrating when to use each approach, with plenty of examples to illustrate his points. [Nov. 17, 1999]

Conformance Testing for XML Processors By David Brownell
This multi-part article evaluates the results of testing a dozen XML processors (XML parsers) against the OASIS Conformance Suite to see how well they follow the XML specification. [Sep. 15, 1999]

Non-Validating XML Processors By David Brownell
Brownell evaluates the results for non-validating XML parsers. [Sep. 15, 1999]

Some Background on XML Conformance Testing By David Brownell
Brownell explains how he implemented conformance testing utilizing the OASIS Conformance Test Suite. [Sep. 15, 1999]

Building Applications with eXcelon By Jon Udell
In part two of his review of Object Design's eXcelon, Jon Udell shows how to build server extensions and client applications, and how to design XML structures using the tool. [Aug. 25, 1999]

Backends Sharing Data By Edd Dumbill
What if you could script remote procedure calls between web sites as easily as you can between programs? Edd Dumbill shows how it can be done in PHP. [Aug. 11, 1999]

What Is a Schema By Norman Walsh
In the context of XML, a schema describes a model for a whole class of documents. [Jul. 1, 1999]

Monitoring Updates with XML and Java By Lisa Rein
XSA is a Java-based tool for monitoring updates that uses XML to organize information about software products. [Jun. 23, 1999]

Why XML is Meant for Java? By Matthew Fuchs
Is there a special affinity between Java and XML? Matthew Fuchs thinks it is because the two have grown-up together, and he talks about why they do work so well together. [Jun. 16, 1999]

XSL Considered Harmful By Michael Leventhal
XSL is far more complicated than it needs to be, and we don't need it, argues Leventhal. CSS and the DOM are just fine so waiting for XSL to become a standard is nothing but a distraction. [May. 20, 1999]

XSL Considered Harmful, Part 2 By Michael Leventhal
This article demonstrates how a combination of CSS and DOM are sufficient to do what you'd need XSL for. [May. 20, 1999]

Getting Started with XML Programming, Part II By Norman Walsh
Norman Walsh looks at how to program to use the DOM as programming-language-independent interface to documents. He shows how to interact with the DOM using Java. [May. 5, 1999]

Getting Started with XML Programming By Norman Walsh
How is processing an XML document really different than processing a plain old text file? [Apr. 21, 1999]

XML support in IE5 By Tim Bray
Microsoft officially released Internet Explorer 5 and XML.com's technical editor Tim Bray finds that though the final release of IE5 has some nice features for the XML community, its XML implementation is still a little buggy. [Mar. 18, 1999]

Namespaces in XML Adopted by W3C By Mark Walter
The "Namespaces in XML" specification has been formally adopted by the W3C as a recommendation. XML.com's Mark Walter explains why this was needed and what it will do to increase the adoption of XML. [Jan. 19, 1999]

XML Namespaces by Example By Tim Bray
The hows and whys of XML namespaces explained by a co-author of the specification, XML.com's technical editor Tim Bray. [Jan. 19, 1999]

XQL: Proposal for a new XML Query Language By Mark Walter
Debate over XML query languages could heat up as a Microsoft-led group proposes XQL as an alternative to XML-QL proposed by AT&T Labs. [Nov. 9, 1998]

W3C completes DOM specification By Liora Alschuler
Last month the W3C released a recommendation for the Document Object Model Level 1, a key component of the XML family of standards. [Oct. 21, 1998]

Live Data from WDDX By Lisa Rein
Software developers are finding out that XML can be used on many different levels for the representation of data structures used by programs written in different languages. [Oct. 6, 1998]

The Code of the XML Geeks By Peter Murray-Rust
Our XML:geek columnist comes to the rescue of geek code users, and takes XML itself as the extension to the geek code. [Oct. 3, 1998]

Building the Annotated XML Specification By Tim Bray
XML.com's technical editor explains the conceptual design and syntactical execution of our popular Annotated XML Specification. [Sep. 12, 1998]

Using The Perl XML::Parser Module By Clark Cooper
In this article Clark presents two Perl programs which demonstrate some of the XML::Parser module's capabilities. [Sep. 12, 1998]

Flipping the Links By Tim Bray
How Java was used to convert the XML to HTML. [Sep. 12, 1998]

Conclusion: How Much Work Was It? By Tim Bray
The conclusion of Tim Bray's explanation of how he created the Annotated XML Specification. [Sep. 12, 1998]

How the Annotated XML Specification Works By Tim Bray
Tim describes the architecture of the AXML system and the design decisions he made. [Sep. 12, 1998]

Entities: What are They Good For? By Norman Walsh
What are entities in XML documents and how do I use them? The XML Q&A column has the answers. [Aug. 28, 1998]

Types of Entities By Norman Walsh
Part 1 of Norman Walsh's XML Q&A column on entities. [Aug. 28, 1998]

Entity Declarations, Attributes and Expansion By Norman Walsh
Part 2 of Norman Walsh's XML Q&A column on entities. [Aug. 28, 1998]

Handling Binary Data in XML Documents By Lisa Rein
Binary data can present some interesting problems. This article looks at ways to support binary data such as images in XML documents. [Jul. 24, 1998]

The XSA DTD By Lisa Rein
View the DTD used by XSA [Jun. 23, 1998]

XML and Perl By Dale Dougherty
In this RealAudio interview, Tim Bray and Larry Wall discuss how the Perl programming language can do powerful text processing with XML. [May. 1, 1998]

Document Object Model Requirements By Jared N. Sorensen, Lauren Wood
This document defines the high-level requirements for the Document Object Model (DOM). [Oct. 2, 1997]

The Evolution of Web Documents By Dan Connolly, Rohit Khare, Adam Rifkin
In this article, we trace the history and evolution of Web data formats, culminating in XML. We evaluate the relationship of XML, HTML, and SGML, and discuss the impact of XML on the evolution of the Web. [Oct. 2, 1997]

Embedded Markup Considered Harmful By Theodor Holm Nelson
Hypertext's founding father artfully lays out some opposition to the conventional wisdom that SGML and its derivatives, HTML and XML are good things. [Oct. 2, 1997]

XML: From Bytes to Characters By Bert Bos
This article defines, in some detail, how text is stored in an XML file. It also describes how an XML file is encoded for transportation over the Internet, and upon arrival, decoded again. [Oct. 2, 1997]

Capturing the State of Distributed Systems with XML By Rohit Khare, Adam Rifkin
This paper discusses the challenges of capturing the state of distributed systems across time, space, and communities, and looks to XML as an effective solution. [Oct. 2, 1997]

XML, Java, and the Future of the Web By Jon Bosak
Jon Bosak, the leader of the XML Working Group, reflects upon the development of XML and how it will open up new kinds of Web applications. [Oct. 2, 1997]