PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heavy bituminous oil is critical for operations at U.S. refineries because light crude does not have the carbon content to make anything other than diesel and gasoline.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalwarmingisreal.com