PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Yet the oil and gas industry and many policymakers, including President Obama, favor natural gas because it emits half as much carbon dioxide as coal when burned.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com