PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If an associated family instance is omitted, the corresponding instance type is not inhabited; i.e., only diverging expressions, such as undefined, can assume the type.
http://www.w3.org/ns/prov#wasQuotedFrom
  • haskell.org