class c :?base_uri:Rdf.Uri.c -> string ->object..end
method repr : Rdf.reprmethod is_valid : boolmethod execute : Rdf.Model.c -> Rdf.QueryResults.cmethod clone : < clone : 'a; execute : Rdf.Model.c -> Rdf.QueryResults.c; is_valid :
bool; repr : Rdf.repr; .. >
as 'a