PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examines sustainable fuels such as ethanol, biodiesel, straight vegetable oil, hydrogen, and biomethane.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wfs.org