PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 1) White Gold: For gold to take a white color, it must be mixed with a white metal such as nickel, manganese or palladium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • goldresource.net