PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natural resources such as gas and oil have been tapped so much that they are beginning to run low, making them ever more costly and difficult to find.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hometronicssolar.com