W3C RDF Validator: http://www.w3.org/RDF/Validator/

Existing Relax NG Based specifications:

1) ATOM

http://atomenabled.org/

Existing RDF based specifications:

1). RSS Rich Site Summary:

http://www.rss-specifications.com/rss-specifications.htm

Links:

En: http://blogs.law.harvard.edu/tech/rss

Fr : http://websemantique.org/RSS

• Dublin Core (DC) for describing a "publication".

http://dublincore.org/

Links:

Fr: http://websemantique.org/DC

• Friend of A Friend (FOAF) for describing people and their personal relationships.

http://www.foaf-project.org/

Links:

http://www.semanticplanet.com/2003/05/parsingFOAFWithPHP

Fr: http://websemantique.org/FOAF

http://harisson.free.fr/blog/index.php?2005/03/28/61-foaf-et-dotclear-premiere-ebauche#co

• XPackage for describing packages and their dependencies.

http://www.xpackage.org/specification/

• Description of A Project (DOAP) for descripting projects, including their developers (with FOAF) and artifacts (with XPackage).

Links:

FR: http://www.bonjourlesmouettes.org/index.php/2004/08/13/89-doap-cest-quoi-ca

http://www.bonjourlesmouettes.org/index.php/2004/07

http://websemantique.org/DOAP

• Mashup using Yahoo pipes: http://xtof.viabloga.com/news/mashup-construire-une-recherche-technorati-avec-yahoo-pipes
• EARL (Evaluation and Report Language), W3C:

http://www.w3.org/TR/EARL10/

Links:

Fr: http://websemantique.org/EARL

RDF AND ZOPE / PLONE:

http://www.plonelive.com/downloads/oscon.pdf

Tim Berners-Lee presentation on semantic: http://www.w3.org/2005/Talks/1110-iswc-tbl/#(1)