gonum.org/v1/gonum@v0.14.0/graph/formats/rdf/testdata/test033-urgna2012.nq (about) 1 _:c14n1 <http://example.org/vocab#prop> _:c14n0 . 2 _:c14n3 <http://example.org/vocab#prop> _:c14n2 .