PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One big problem with implementing an interpreter is that you have to register low-level types and functions so that they can be called dynamically by the interpreter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • artima.com