PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Read the article again, it mentions that jewellry is popular because buying gold is a hedge, the rich, the middle class and even the poor all understand that the economy is fragile.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com