PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Payment is not limited to currency, but may also include other types of consideration, including products, services, and alternate currencies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk