PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • etc., we have found H.sub.2, He and N.sub.2 are the best three matters to convey energy or be energy conveyor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com