PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • creating unknown objects to retain information related to unknown data types in the data stream, said unknown objects being used to regenerate retained information when a serialization operation is performed at the second node on said unknown objects.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com