PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As president, Bill Clinton???s first email was a message to John Glenn, as the former senator and astronaut was making a return trip to space.
http://www.w3.org/ns/prov#wasQuotedFrom
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