    @Ignore
    @Test
    public void testGraph()
        throws SenseInventoryException, UnsupportedOperationException
    {

        Graph<String, UnorderedPair<String>> g = si.getUndirectedGraph();
        System.out.println("Graph has " + g.getVertexCount() + " vertices and "
                + g.getEdgeCount() + " edges");
    }