PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Internet protocol telephony exchange system as set forth in claim 8, wherein the user information, including a phone number and a port number, is transmitted from the user interface inside of the IP terminals to the exchange interface when the IP terminals enter an off-hook state.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com