PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Access control methods such as door locks, privacy screens, security guards, passwords and secure tokens, and encryption technology embedded in secure connections such as SSL (Secure Sockets Layer) and VPN (virtual private network) connectivity are all examples of attempts to ensure confidentiality of data stored on systems or transferred from one computer to another.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acm.org