
RDF
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RDFa 1.1 with a rich snippet example - W3C Blog
With RDFa 1.1 making its way out of last call, I looked at the examples from Google’s Webmaster Central to see what RDFa 1.1 brings to those. A typical example is the one on reviews ; here s where it starts out in RDF 1.0: L’Amourita Pizza Reviewed by Ulysses Grant on Jan 6 . Delicious, tasty pizza on Eastlake!itemref attribute allows including properties elsewhere on the page that are not descendants of itemscope . Takes space-separated ids (for example itemref="address phone" would include the elements with id="address" and id="phone" ). Conceptually similar to the include-pattern . content attribute on the meta element can be used to include invisible data that is not part of the content. As current browsers move meta inside , make sure to include via itemref .

