PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, more generally Haskell possesses a major flaw that empty types truly are not empty and are in fact inhabited by the bottom value (i.e. undefined/_|_).
http://www.w3.org/ns/prov#wasQuotedFrom
  • haskellforall.com