PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The input/output interface 506 is connected to, for example, the input unit 507 including a keyboard, a switch, a button, or a mouse operated by the user and the output unit 508 including a liquid crystal display (LCD), a cathode-ray tube (CRT), or a speaker presenting various types of information to the user.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com