PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (ix) required by subpoena, civil investigative demand, or otherwise compelled by statute, regulation, or other action of Congress or a Federal agency;
http://www.w3.org/ns/prov#wasQuotedFrom
  • govtrack.us