PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • between cellular and voice over internet protocol communicationUS7616950 *Sep 4, 2003Nov 10, 2009At&T Intellectual Property I, L.P.Call forwarding control device and method of call managementUS7693542May 3, 2004Apr 6, 2010Daniel Wayne MauneyEnhanced wireless handset, including direct handset-to-handset communication modeUS7769392Sep 23, 2003Aug 3, 2010At&T Intellectual Property I, L.P.Method and s
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com