PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The orientation sensing system can use magnetic waves, electrical signals, acoustic signals, radio waves, physical contact and other any other suitable media or action.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com