PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A futures contract is a contract traded on a commodities exchange which binds the parties to a particular transaction at a specified future date.
http://www.w3.org/ns/prov#wasQuotedFrom
  • harvard.edu