PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • commodities such as the Euro, Yen, T-Bills and most of the agricultural futures are much harder to model effectively.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kdnuggets.com