PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I base this description on a famous incident when Stanislaw Ulam, one of the greatest mathematicians of the last century (and one of the inventors of the hydrogen bomb) asked Paul Samuelson (Nobel Prize winner and the ???father of modern economics???) whether economics, or indeed any social science, had ever come up with a theory which was both true and not obvious.
http://www.w3.org/ns/prov#wasQuotedFrom
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