@Test
public void testComputeSimilarities() {

  assertEquals(0.0, similarity.computeScore(idBeet, idCarrot), 0.01);
  assertEquals(0.405, similarity.computeScore(idBlueCarrot, idCarrot), 0.01);
  assertEquals(0.0, similarity.computeScore(idPumpkin, idCarrot), 0.01);
  assertEquals(0.0, similarity.computeScore(idLeafVegetable, idCarrot), 0.01);
}