RDFa is a current W3C Candidate Recommendation, and large organizations such as Yahoo! are implementing RDF in their search engine technologies. Now is an excellent time to learn how to use this set of XHTML extensions to produce RSS news feeds.
by Michael Hausenblas
September 4, 2008
ews feeds in all their manifestations—both with and without RDF—have a long tradition as structured data
on the web.
RDF—the data model—can state relations between certain
entities. For example, one relation between a human and a feed could be conceived as creator.
In contrast, HTML is about structure and presentation, the semantics of the conveyed data is
not—and cannot—be represented. Presentation-oriented formats such as HTML are useful for users, but typically cause rather expensive back-end processing (along with heuristics).
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ews feeds in all their manifestations—both with and without RDF—have a long tradition as structured data
on the web.
