@Before public void createGraph() { graph = new SimpleMGraph(); graph.add(TripleUtil.uriTriple("S1", "P1", "01")); graph.add(TripleUtil.uriTriple("S1", "P1", "02")); graph.add(TripleUtil.uriTriple("S2", "P1", "01")); graph.add(TripleUtil.uriTriple("S2", "P1", "02")); graph.add(TripleUtil.uriTriple("S3", "P1", "01")); graph.add(TripleUtil.uriTriple("S4", "P1", "02")); }