PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natural gas is a finite resource and domestic prices will rise, especially now that the Obama Administration is loosening the safety valve on the export market.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleantechnica.com