PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a matter of fact, to tell the truth, John F. Kennedy was a little too conservative to suit my taste.??? (Among the many conceivable explanations for why Johnson was so testy with me was that he had been briefed that, like Schlesinger, I was a New Deal historian.
http://www.w3.org/ns/prov#wasQuotedFrom
  • americanheritage.com