RDFa Wiki

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Welcome to the RDFa community! A place where you can learn about RDFa, get help on implementing RDFa on your website or blog, and take part in the development of the community and the standard!

RDFa helps bloggers and website authors make their web pages smarter by adding computer-readable information to a site. Details about yourself, events, places, books, and music are just some of the "things" you can describe using RDFa. By adding RDFa to your website or blog, you help computers interact with your website in a way that is more helpful to people visiting your site. RDFa makes web browsers smarter by giving people more options when viewing a web page, such as adding you to their address book, adding an event to their calendar, getting directions to a place described by RDFa, or searching online bookstores for a book marked up using RDFa. There are many possibilities with RDFa and this community is dedicated to RDFa education, development, and advocacy.

RDFa Community Areas

The areas below can help you get started. The top row is for beginners, the middle row is for those familiar with RDFa and the bottom row is for experts.

Learn
Learn RDFa, from Basics to Advanced
Publish
Publish RDFa on your web site
Consume
Find and Parse RDFa
Participate
Participate in the RDFa community

News

New Common Tag Format
Common Tag is an open tagging format defined using RDFa that makes content more discoverable. Unlike free-text tags, Common Tags are references to unique, well-defined concepts, complete with metadata and their own URLs. The companies involved in the development of Common Tag are AdaptiveBlue, DERI (NUI Galway), Faviki, Freebase, Yahoo!, Zemanta, and Zigtag. More information on the [...] [?]
RDFa for HTML authors - start here
Do you write HTML? You’ve just heard that Google now supports RDFa and you want to know where to start? Our own Steven Pemberton just published a fantastic RDFa introduction for HTML authors: RDFa is a thin layer of markup you can add to your web pages that makes them understandable for machines as well as [...] [?]
Google announces support for RDFa
Google just announced support for RDFa, starting with product reviews. Here’s Google’s FAQ on adding RDFa to your pages. This is a significant new direction for Google, where they will start looking at explicit data structure and provide enhanced search results accordingly. It’s fantastic to see them using RDFa for this task. It’s also fantastic [...] [?]
RDFa for communities of all sizes
Dan Connolly makes one of the more powerful arguments for truly web-extensible structured data in HTML, where you don’t need to ask for permission to innovate: My view of Web architecture is shaped by episodes such as this one. While giga-scale deployment is always impressive and definitely something we should design for, small scale deployment is [...] [?]
More RDFa goodness from UK government web-sites
Over at WebBackplane, Mark Birbeck describes how the UK’s Central Office of Information has been generating RDF vocabularies via an open-source process, and then using those vocabularies to decorate their web pages. The blog demonstrates how they are being used to mark up job vacancies, and then how that information can be reliably scraped. Read [...] [?]
STW Thesaurus for Economics published as RDFa application
Manuela Gastmeyer and Joachim Neubert of the German National Library of Economics (ZBW) announced: STW Thesaurus for Economics is now available under http://zbw.eu/stw. STW is a richly interconnected vocabulary in English and German on economics and business economics as well as some related subject areas. It includes subject categories and lots of synonyms in order to [...] [?]
MySpace using RDfa
Ben Adida points out in his posting Paris Hilton thinks RDFa is hot that MySpace has started using RDFa, and points to Paris Hilton’s page. [?]
Slideshare is using RDFa
As Martin McEvoy has pointed out, Slideshare has started using RDFa. [?]
RDFa in Drupal: Examples and Use Cases
Stephane Corlosquet has posted a video shown at DrupalCon this month demonstrating things you can do with RDFa and Drupal. Dries Buytaert (creator of Drupal) writes about it here. [?]
RDFa extension For Dreamweaver
In this post, Martin McEvoy announes a new extension for Dreamweaver supporting RDFa: I am proud to announce RDFa Documents extension For Dreamweaver versions 8 to CS4 RDFa Documents contans a HTML TagLibrary with RDFa attributes and a XHTML+RDFa 1.0 Document Type Declaration. The Extension will be available via Adobe Exchange (soon), after its passed [...] [?]

Special Projects