PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The procedure should return two string values: the username and the password to use for authentication.The default value is a procedure which extracts the username and password components from the URI.For proxy authentication support, see determine-proxy-username/password in the next section.
http://www.w3.org/ns/prov#wasQuotedFrom
  • call-cc.org