gonum.org/v1/gonum@v0.14.0/graph/formats/rdf/testdata/test056-in.nq (about) 1 _:b0 <http://example.org/vocab#p> <http://example.org> . 2 _:b1 <http://example.org/vocab#p> _:b0 . 3 _:b1 <http://example.org/vocab#p> <http://example.com> .