PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 1997, now U.S. Pat. No. 6,149,316; which in turn is a continuation of Ser.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com