PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A: http://members.tripod.com/signalfan/signalpics.htm , http://mdo20.0catch.com/signals/signals1.html , and http://en.wikipedia.org/wiki/Traffic_light have many photos of signals organized geographically from every part of the world, especially the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • roadfan.com