PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Typical reasons for this routine to return false are: CD bit was on in the original request, or the response is a kind of message that is unvalidatable (i.e., SERVFAIL, REFUSED, etc.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • unbound.net