PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This principle is especially important in economics, where arguments can get personal all too easily.So it is unusual, to say the least, that two major biographies of John Maynard Keynes have appeared recently, and both dwell at some length on his bisexuality.
http://www.w3.org/ns/prov#wasQuotedFrom
  • simonandschuster.com