PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (1) Institutions or persons having scientific, educational, governmental or other similar justification for possessing obscene material; or
http://www.w3.org/ns/prov#wasQuotedFrom
  • patterico.com