PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are estimated to be about 32 billion barrels of oil in tar sands in the western United States, mainly in Utah.
http://www.w3.org/ns/prov#wasQuotedFrom
  • issuu.com