PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By 2020, ethanol and other bio-fuels" could supply a fifth of America's transportation fuel, displacing about 3 million barrels a day.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energybulletin.net