PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the transaction is in a ???pre-authentication??? phase (i.e., the user has not yet been authenticated), the one or more requests may include authentication information, such as a username, password, personal identification number (PIN), and/or the like, that is used to by the service provider to verify the user's identity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com