PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The CFTC has vowed to clamp down on excessive speculation in energy and commodity trading, especially in oil which soared to $147 a year ago.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reuters.com