PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • MG: This is the place that IP network and PSTN network interact and conversion is performed, including negotiation of the use of codec, echo cancellation,etc MGC: The control function for MG. Sometimes it is part of the MG, most cases it is stand alone and control multiple MG, therefore realizing a distributed architecture.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net