PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The adoption of secondary recovery techniques has been somewhat inhibited by their low efficiency, high operating costs, and other problems relating to environmental condemnation, geological disturbances and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca