PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hedging: A variety of financial instruments used to guarantee the price to be received or paid on certain commodities such as gold, silver, interest rates, crude oil or currencies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • silverinstitute.org