gonum.org/v1/gonum@v0.14.0/graph/formats/rdf/testdata/test039-in.nq (about) 1 _:b0 <http://example.org/vocab#p1> _:b1 . 2 _:b0 <http://example.org/vocab#p1> _:b2 . 3 _:b2 <http://example.org/vocab#p1> _:b3 .