PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A Currency Future contact is a standardize agreement with an organized exchange to buy or sell some items, such as a currency or commodity, at a fixed price at a certain date in the future.Currency futures are similar to foreign exchange forwards in that they are contracts for delivery of a certain amount of a foreign currency at some future date and at known price.
http://www.w3.org/ns/prov#wasQuotedFrom
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