PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currency in any of its forms has an intrinsic cost and that costs is always passed back to the trade system, with time all forms of currency have evolved to a near zero cost allied with no direct value (to the end participants) and have become system dependent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikibooks.org