PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He talks of things known and unknown and then frog-marches us into a semantic quagmire in which there is no such thing as truth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com