PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Receipts, contracts, bills of sale, and other instruments of conveyance vary according to the type of commodity involved, but all are useful indicia of transfer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • irs.gov