PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Retention of such a machine-readable record by the receiver prevents the sender from repudiating legitimate messages, because it enables the receiver to prove to a third party such as a judge that the corresponding message was generated by the sender and not by the receiver.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com