:- use_module(library(semweb/rdf_ntriples)).node(_), bnodes are returned as node(Id).:<baseuri>_warning (default) or erroron_error is warning, unify Count
with th number of errors.| Triples | is a list of rdf(Subject, Predicate, Object) |
| Quads | is a list of rdf(Subject, Predicate, Object, Graph) |