PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other financial instruments, variations or combinations of these financial instruments may also exist.A futures contract is a legally binding contract to buy or sell a commodity or financial instrument at a certain price for future delivery.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com