PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 2A is a block diagram illustrating an alternate embodiment of a communication system constructed according to the present invention in which the communication system couples to a network, to the public switched telephone network (PSTN), to a wireless network and to a plurality of extensions;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com