PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The bid price of a coin or bar with a 13 percent spread must increase 15 percent before breaking even (excluding other costs such as liquidation or delivery fees.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • goldline.com