PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Global oil supplies (RHS, in million barrels per day) include crude oil, lease condensate, natural gas plant liquids, refinery processing gains and other liquids.
http://www.w3.org/ns/prov#wasQuotedFrom
  • crudeoilpeak.info