PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The United States has played a major part in this revolution; new ??plays,?? as fields of shale gas are known, are now producing in Texas, Louisiana, Illinois, Arkansas, Colorado, West Virginia, and other states.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freerepublic.com