PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • U.S. Pat. No. 5,311,594 to Penzias describes a system wherein the user is prompted to input pieces of information already known to the user, such as a street address.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com