PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is a method and apparatus for effectuating post-transaction-priced transactions of goods, services, and information in exchange for money or its equivalent (such as credits).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com