PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the middle of the 19th century, people began referring to the press as a fourth estate, referencing the fact that most parliaments and other houses of government had an area set aside specifically for the use of the press, and pointing out that the press was a distinct group within the larger framework of the realm.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.org