PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A common example is the change in pitch of a vehicle siren as it approaches, passes, and then moves away from the listener.SoundWave analyzes changes in reflected sound frequencies to interpret motion.SoundWave uses speakers to emit a continuous, inaudible tone that reflects off objects such as a moving hand or body.
http://www.w3.org/ns/prov#wasQuotedFrom
  • microsoft.com