PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 20110275367METHOD AND APPARATUS FOR CELLULAR ROAMING CHARGE BYPASS CALL COMPLETION - Systems and methods for avoiding roaming or communications charges when a mobile communications device such as a cellular telephone receives an incoming telephone call use a non-native communications provider, such as a VOIP service provider to redirect the call.
http://www.w3.org/ns/prov#wasQuotedFrom
  • faqs.org