PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But up to this point there has not been significant work rigorously defining what an empirical science of the latter two kinds of causes would look like.
http://www.w3.org/ns/prov#wasQuotedFrom
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