gonum.org/v1/gonum@v0.14.0/graph/formats/rdf/testdata/test019-urdna2015.nq (about) 1 _:c14n0 <http://example.org/vocab#self> _:c14n0 . 2 _:c14n1 <http://example.org/vocab#self> _:c14n1 .