PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a typical futures market, an investor that buys or sells a commodity future such as oil knows the absolute spot price of the oil on the day he or she purchases the future, while the future settlement price is liquid and fluctuates relative to the spot price.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com