PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As to this last point, again, it seems easy to lay down a general principle, but impossible to determine its application except by the judgment of those who apply it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org