PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • he is a pretty expansive topic right there - giving a good sampling of the uses for plastics, rubbers, epoxies, etc is an exercise best left to the reader in the case of a short brief like this.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com