PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Following the end of World War II, a nuclear arms race evolved between the US and the Soviet Union to develop long-range missiles.[6] At the same time both sides also developed satellites for gathering weather data, communications, and intelligence, mostly in secret.[7] As a result, Americans were shocked when the Soviet Union placed the first satellite into orbit in October 1957, followed by a gr
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org