PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Second, ... and here is a not-so-elementary point... a good external characterization of a thing often so-completely characterizes it that, by the very characterization (if done right), any two things $X,Y$ that do the job have a (unique) isomorphism between them (that also fits perfectly with whatever job is required).
http://www.w3.org/ns/prov#wasQuotedFrom
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