PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Telephony module may be adapted to communicate over a network such as the Internet so that in response to a first communication over the network, the user can schedule a call-back for a telephonic or on-line network medium, using voice communication or video communications where electronic device is adapted to include a video camera, for example as one of N number of I/O devices 518, 520, and 522.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com