PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • False proximity warnings due to heat sources, objects such as rocks and buildings, ultrasonic noise from motors or electrical noise from man-made or natural sources are not given out by the proximity warning system.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fatcow.com.au