gonum.org/v1/gonum@v0.14.0/graph/formats/rdf/testdata/hogan17_3.25_h-in.nq (about) 1 _:f <ex:p> _:i . 2 _:f <ex:p> _:g . 3 _:h <ex:p> _:i . 4 _:h <ex:p> _:g .