PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I recognize this is difficult to compute (maybe Solomonoff hard), and bounding the error is a good, very-computable proxy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lesswrong.com