PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Typically, traffic lights are used as signaling devices and are positioned at places, such as but not limited to road intersections and pedestrian crossings to indicate whether it is safe to proceed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com