PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Arkoma Basin and the Anadarko Basin, Oklahoma, are a prolific producer of both oil and natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldwidescience.org