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Semantic Web

Creating a Web of machine-readable information, leading the Web to its fullest potential.

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]

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]

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]

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]

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]

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]

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]

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]

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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]

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]

TMQL: A Brief Introduction By Robert Barta
The world of Topic Maps is destined to play a role in the Semantic Web; but nearly all serious TM applications require a query language. Robert Barta introduces TMQL. [Jun. 1, 2005]

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]

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]

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]

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]

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]

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]

Ontology Tools Survey, Revisited By Michael Denny
Michael Denny updates his original survey of tools for creating ontologies, including the W3C's OWL Web Ontology Language.  [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]

A First Look at the Kowari Triplestore By Paul Ford
An introduction to the Kowari open source RDF store. [Jun. 23, 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]

Putting ISBNs to Work By Kendall Grant Clark
Continuing his "Hacking the Library" series, Kendall Clark starts the implementation of a web service tool to retrieve Library of Congress identifiers given the ISBN of a book. [Jun. 2, 2004]





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