PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alternatively, if the call is a VoIP call, the session may include packet-media transport, such as a Real-time Transport Protocol (RTP) stream, and be established using Session Initiation Protocol (SIP) signaling.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com