PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is so that a top-down check can be preformed to see whether the mother is a left corner of some previous prediction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com