PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The price drops in oil, copper, aluminum and other commodities is more closely tied to global economic demand, especially from China.
http://www.w3.org/ns/prov#wasQuotedFrom
  • streetauthority.com