PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A method for authenticating users of an information system, comprising the steps of:issuing a signed certificate for each user of an information system, wherein the signed certificate contains an issue date, a unique public key associated with the user, and other public information pertaining to the user, and wherein a valid certificate is one that authenticates an association between the user and
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com