PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (a) If a subject of medium of payment of a contract, security, or instrument is a currency that has been substituted or replaced by the... ?? 53-297 Effect of currency substitution on performance
http://www.w3.org/ns/prov#wasQuotedFrom
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