PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • _) and E is neither a variable nor an atom type_error(atom, E) Address = ???AF_UNIX???(E) and E is an atom
http://www.w3.org/ns/prov#wasQuotedFrom
  • gprolog.org