SKOS-Core 1.0

"An RDF schema for encoding simple concept schemes such as thesauri,
taxonomies and subject heading schemes."
http://www.w3c.rl.ac.uk/SWAD/rdf/skos_core_1_0.rdf

Might be food for thought ...

Bernard Vatant
Senior Consultant
Knowledge Engineering
Mondeca - www.mondeca.com