PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The disclosure includes methods and systems for allowing game players to secure in-game contracts using credit systems such as credit cards or other financial instruments.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patentarcade.com