<http://webisa.webdatacommons.org/prov/168908368> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/128218457> . <http://webisa.webdatacommons.org/128218457> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/128218457> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com> . <http://webisa.webdatacommons.org/128218457> <http://www.w3.org/ns/prov#value> "MSC 46 may communicate with PDSN 40 using media gateway control protocol (MGCP)/common open policy server (COPS) protocols. [0022] HLR 50 provides a subscriber database storing information related to the mobile nodes and/or users, such as by name, address, account number, account type and any other suitable information." .