PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Paper, in the context of precious metals, refers to any derivative including futures, stocks, ETFs, pools, and any case where the physical is held under someone else???s control.
http://www.w3.org/ns/prov#wasQuotedFrom
  • equities.com