PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Light, ultrasound vibrations, radio, and sound itself are all examples of radiation which can be subjected to beam steering.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com