PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These systems may determine the location of a cellular phone user who requests emergency service, e.g., ???emergency 911 service.??? These systems use various technologies, such as triangulation, time-of-arrival, etc., in order to determine a position of a cellular phone user.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com