PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instead of the traditional user name-password setup, SiteKey users select one of a thousand different images, write a brief phrase and pick three challenge questions.The challenge questions - all things that only the customer would be able to provide, such as the year and model of their first car - are then used along with a customer ID and a passcode to guard access to the account.
http://www.w3.org/ns/prov#wasQuotedFrom
  • securityinfowatch.com