PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other than statements of historical fact, all statements are forward-looking statements", including the establishment and estimate of resources, that involve various known and unknown risks and uncertainties and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yahoo.com