PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In fact, Core Principle 9 explicitly allows boards of trade to authorize certain types of contracts that have traditionally been traded off the centralized market, including EFS.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cftc.gov