PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Valve has added a new clause to the Steam User Agreement requiring users to disclose when they are using a Steam service to promote something in exchange for money, free games or other rewards.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gamasutra.com