RDFa Syntax Last Call Working Draft

The Semantic Web Deployment Working Group and the XHTML 2 Working Group have published the Last Call Working Draft of RDFa in XHTML: Syntax and Processing. RDFa is a specification for attributes to be used with languages such as HTML and XHTML to express structured data. When publishers can express structured data, and when tools can read it, a new world of user functionality becomes available, letting users transfer structured data between applications and web sites, and allowing browsing applications to improve the user experience. For example, a photo’s creator, camera setting information, resolution, location and topic can be published as easily as the original photo itself, enabling structured search and sharing. With RDFa, the rendered, hypertext data of XHTML is reused, so that publishers don’t need to repeat significant data in the document content. The RDFa specification explains use of the RDFa attributes with XHTML. Comments are welcome through 21 March.
As an example of RDFa usage, the W3C Semantic Web Activity Home and the Semantic Web Frequently Asked Questions pages have been annotated with RDFa, yielding the RDF equivalents for the home page and the FAQ page, respectively.

About Ivan Herman

Ivan Herman is the leader of the Digital Publishing Activity at W3C. For more details, see http://www.w3.org/People/Ivan/

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