PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • these numbers are usually used by VoIP or Voice Over Internet Protocol services such as Skype and are virtually impossible to trace as the calls are actually orginating from an IP address, then being converted to a sort of phone number.
http://www.w3.org/ns/prov#wasQuotedFrom
  • namethatnumber.net