PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a consequence, considerable attention is being directed toward pyrolyzing solid carbonaceous materials such as coal to useful liquid and gaseous hydrocarbon products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com