PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition to providing order book information including order price and quantity information, electronic exchanges can offer other types of market information such as the open price, settlement price, net change, volume, last traded price, last traded quantity, and order fill information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com