PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Each person making up the crowd is a substance, with a single substantial form (and various accidental forms on top of that), but the crowd is just an artifact, the accidental grouping of a bunch of substances. (It may be more obvious in that the people are separate from each other, but even gluing some people into a big ball would not make a new substance; it would be some (human) things glued
http://www.w3.org/ns/prov#wasQuotedFrom
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