PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He further asserted that for twenty years, starting in the early 1950s, the CIA and the Defense Department conducted secret research in an attempt to develop practical brainwashing techniques (possibly to counteract the brainwashing efforts of the Chinese), and that the attempt was a failure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org