PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Oil is a non-renewable resource and sometime (some experts say fairly soon) demand will begin to outstrip supply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energybulletin.net