PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • method enables real-time data conferencing to occur by sending voice data over a PSTN voice circuit and image or other forms of computer data across an internet co-socket.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com