Ontologies

dc:
dct:
foaf:
http://www.topbraidcomposer.org/owl/2006/07/tbcgeo.owl
http://www.w3.org/2003/01/geo/wgs84_pos
http://www.w3.org/2004/02/skos/core
sysont:OntoWiki System Ontology
UDFR - Schema