PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The worst of these disasters (which the West didn???t learn of until many years later) happened in 1960 at the Soviet launch site of Baikonur, when the prototype of a new missile exploded without warning, killing more than seventy scientists, engineers, and military personnel, including the head of the Soviet Union???s strategic rocket forces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacekate.com