PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Distance, surrounding WiFi or other radio waves and of course the strength of transmitter and receiver (as usually they are very small).
http://www.w3.org/ns/prov#wasQuotedFrom
  • xda-developers.com