PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It should also give the oil companies more time in which to nail down the kind of contractual and legal protections that they would need before investing heavily in Russia and other former Soviet republics, where proven reserves already total about 57 billion barrels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nytimes.com