PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There seems to be no basis for it in fact or trends, other than the slope of the forward curve in commodity markets ??? a slope which recently has begun to trend up rather than down, at least for oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econbrowser.com