PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in accordance with cash market practices which demonstrate the existence and nature of the underlying cash transactions, including, but not limited to, contracts, confirmation statements, telex printouts, invoices, and warehouse receipts or other documents of title.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cftc.gov