2009
Bill de hÓra: Snowflake APIs
(via)RDF is worth learning for a different reason — the profound enlightenment experience you will have when you finally get it. That experience will make you a better format and data API designer for the rest of your days, even if you never actually use RDF itself a lot. (You can get some beginning experience with RDF fairly easily by writing and modifying simple files like FOAF and DOAP for social networks and software projects, or RDFa extensions for XHTML.)
2008
RDFa dans XHTML — Syntaxe et traitement
by 1 otherUne collection d'attributs et de règles de traitement pour étendre XHTML et gérer RDF
en français s'il vous plait madame
Make your Data Web Friendly - W3C Q&A Weblog
(via)A Web language is not only a markup language (be XML, SGML or binary). For example, JPEG is not a Web format, but a format used on the Web. A Web format has the capability to play into the Web, it has linking capabilities.
merci Karl