PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The story that brought down Nixon was a joke to mainstream America in 1972 and much of 1973.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blueoregon.com