RDF

• http://www.schemaweb.info/
• http://dublincore.org/ 'Dublin Core)
• http://www.w3.org/TR/rdf-schema/ (norme du vocabulaire)

ontologies/schéma existants

• Biographies:
  http://purl.org/vocab/bio/0.1/bio-vocab-20040305.rdf
  http://vocab.org/bio/0.1/

• Geographic information
  http://www.w3.org/2003/01/geo/wgs84_pos.rdf
  http://www.w3.org/2003/01/geo/

• Ontologie végetarienne
  http://www.mindswap.org/2003/vegetarian.owl
  http://owl.mindswap.org/

• Life science ontology (bioinformatique)
  http://www.cs.man.ac.uk/~wroec/mygrid/ontology/mygrid.owl
  http://www.mygrid.org.uk/

• Digital ressource (extension de Dublin Core)
  http://www.natlib.govt.nz/dr/drterms.rdf
  http://www.natlib.govt.nz/dr/terms

SWEET

Semantic Web for Earth and Environmental Terminology
http://sweet.jpl.nasa.gov/ontology/

• schéma publiés, sciences de la terre
  http://sweet.jpl.nasa.gov/ontology/earthrealm.owl
  http://sweet.jpl.nasa.gov/ontology/phenomena.owl
  http://sweet.jpl.nasa.gov/ontology/process.owl
  http://sweet.jpl.nasa.gov/ontology/property.owl
  http://sweet.jpl.nasa.gov/ontology/substance.owl
  http://sweet.jpl.nasa.gov/ontology/sunrealm.owl

• schémas, biospehere
  http://sweet.jpl.nasa.gov/ontology/biosphere.owl
  http://sweet.jpl.nasa.gov/ontology/data.owl
  http://sweet.jpl.nasa.gov/ontology/data_center.owl
  http://sweet.jpl.nasa.gov/ontology/human_activities.owl
  http://sweet.jpl.nasa.gov/ontology/material_thing.owl
  http://sweet.jpl.nasa.gov/ontology/numerics.owl
  http://sweet.jpl.nasa.gov/ontology/sensor.owl
  http://sweet.jpl.nasa.gov/ontology/space.owl
  http://sweet.jpl.nasa.gov/ontology/time.owl
  http://sweet.jpl.nasa.gov/ontology/units.owl

SWED

Semantic Web Environment Directory
The focus of SWED is to create a directory of UK based environmental organisations. developpé par le SWAD-europe

• http://www.swed.org.uk/swed/index.html
• http://www.w3.org/2001/sw/Europe/