PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • John F. Kennedy was possibly the most morally corrupt and reckless president in American history, who came tragically close to bringing about a ???nuclear winter??? that might have destroyed the United States and other parts of the world.
http://www.w3.org/ns/prov#wasQuotedFrom
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