PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the extent of 150,000,000 barrels and possibly as much as 200,000,000 of crude each year, except insofar as the situation may at that time, perhaps, be helped to a slight extent by shale oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com