PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Which might be OK, except that gold is a primary indicator of economic uncertainty: When the economy is bad, the price of gold goes up.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slate.com