PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A matter deserving further exploration is that the proponent of civil liberties, William O. Douglas, seemed hard-shelled about the case, except on one occasion when his bluff was called.
http://www.w3.org/ns/prov#wasQuotedFrom
  • libertyfund.org