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
Examples in the Wild
See others publishing RDFa 		Best Practices
See how to publish RDFa well

News

UK Retail Chain Tesco adopts RDFa
The UK supermarket chain Tesco, which is the UK’s largest non-food retailer, has adopted RDFa. As an example, see this product page. [?]
O?Reilly Catalog uses RDFa
It looks like the O’Reilly product catalog uses RDFa. Check out this Nikon D5000 Manual. Looks like the GoodRelations schema, and quite a bit of data. We’ve long suspected that, once big consumers of web content started looking for certain RDFa vocabularies (i.e. Google and GoodRelations), there would be an uptick in RDFa production. Looks [...] [?]
Best Buy and RDFa
“In his talk at the Search Engine Strategies 2009 conference in Chicago, Jay Myers, Lead Web Development Engineer for Best Buy, Co., Inc., reported very surprising effects of adding GoodRelations and RDFa to their products pages: GoodRelations + RDFa improved the rank of the respective pages in Google tremendously … 30 % percent (!) increase in traffic [...] [?]
White House to make increasing use of RDFa
According to Information week, the White House is planning to make increasing use of RDFa. “We have a lot of primary source content and have it exposed in ways that traditionally hasn’t been done by government,” Cole said. “Instead of just having PDFs that are scanned, we’re trying to reverse that trend.” More here: Obama Team [...] [?]
Public Library of Science deploys RDFa on all articles
Check out the PLoS Journals, like PLoS Medicine or PLoS Genetics, and you’ll find RDFa for all bibliographic information, including authors, categories, etc. [?]
Want to highlight your products in Yahoo Search? Use RDFa
Yahoo’s SearchMonkey work continues with some serious updates. We note in particular that, if you have a product to sell, the only way to mark it up is with RDFa. When you need fine-grained, dense structured data, it looks like RDFa is the clear choice. [?]
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 [...] [?]

Special Projects

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