PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On July 23, 1969, as Apollo 11 hurtled back towards Earth, there was a problem -- a problem only a kid could solve.
http://www.w3.org/ns/prov#wasQuotedFrom
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