PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • however, one of the reasons, as i understand it, that this is such a difficult problem to solve is that the well is so deep, some 5000 miles from the surface....
http://www.w3.org/ns/prov#wasQuotedFrom
  • chiefsplanet.com