Examples of ItemBasedRecommender

Examples of org.apache.mahout.cf.taste.recommender.ItemBasedRecommender

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  }


  @Test
  public void testRecommendedBecause() throws Exception {
    ItemBasedRecommender recommender = buildRecommender2();
    List<RecommendedItem> recommendedBecause = recommender.recommendedBecause(1, 4, 3);
    assertNotNull(recommendedBecause);
    assertEquals(3, recommendedBecause.size());
    RecommendedItem first = recommendedBecause.get(0);
    RecommendedItem second = recommendedBecause.get(1);
    RecommendedItem third = recommendedBecause.get(2);
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Examples of org.apache.mahout.cf.taste.recommender.ItemBasedRecommender

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        new GenericPreference(1, 2, 1), new GenericPreference(1, 3, 1))));
    userData.put(2, new GenericUserPreferenceArray(Arrays.asList(new GenericPreference(2, 1, 1),
        new GenericPreference(2, 2, 1), new GenericPreference(2, 4, 1))));

    DataModel dataModel = new GenericDataModel(userData);
    ItemBasedRecommender recommender =
        new GenericItemBasedRecommender(dataModel, new TanimotoCoefficientSimilarity(dataModel));

    BatchItemSimilarities batchSimilarities = new MultithreadedBatchItemSimilarities(recommender, 10);

    batchSimilarities.computeItemSimilarities(1, 1, mock(SimilarItemsWriter.class));
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Examples of org.apache.mahout.cf.taste.recommender.ItemBasedRecommender

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        new GenericPreference(1, 2, 1), new GenericPreference(1, 3, 1))));
    userData.put(2, new GenericUserPreferenceArray(Arrays.asList(new GenericPreference(2, 1, 1),
        new GenericPreference(2, 2, 1), new GenericPreference(2, 4, 1))));

    DataModel dataModel = new GenericDataModel(userData);
    ItemBasedRecommender recommender =
        new GenericItemBasedRecommender(dataModel, new TanimotoCoefficientSimilarity(dataModel));

    BatchItemSimilarities batchSimilarities = new MultithreadedBatchItemSimilarities(recommender, 10);

    try {
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