PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On a less mundane level, whether a statement is positive or negative is a matter of how it is constructed???every positive statement (p) can be restated as a negative (~ ~ p).
http://www.w3.org/ns/prov#wasQuotedFrom
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