PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since machine quantities are not first class types in Mathematica and the assumption clearly does not hold for arbitrary length integers, I think answers can legitimately choose either to improve the performance of OP's implementation or to describe a different but more general operation.
http://www.w3.org/ns/prov#wasQuotedFrom
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