PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • World War Two radar RADAR (Radio Detection And Ranging) is a technology invented in the 1930s to detect distant objects, mostly aircraft and ships.
http://www.w3.org/ns/prov#wasQuotedFrom
  • century-of-flight.net