Package org.grouplens.lenskit.core

Examples of org.grouplens.lenskit.core.LenskitRecommender

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    }

    @Test
    public void testConfigSeparation() throws RecommenderBuildException {
        LenskitRecommenderEngine engine = makeEngine();
        LenskitRecommender rec1 = null;
        LenskitRecommender rec2 = null;
        rec1 = engine.createRecommender();
        rec2 = engine.createRecommender();

        assertThat(rec1.getItemScorer(),
                   not(sameInstance(rec2.getItemScorer())));
        assertThat(rec1.get(FunkSVDModel.class),
                   sameInstance(rec2.get(FunkSVDModel.class)));
    }
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        config.bind(RuntimeUpdate.class, FunkSVDUpdateRule.class)
              .to(FunkSVDUpdateRule.class);

        LenskitRecommenderEngine engine = LenskitRecommenderEngine.build(config);

        LenskitRecommender rec = engine.createRecommender();
        ItemScorer scorer = rec.getItemScorer();
        assertThat(scorer, instanceOf(FunkSVDItemScorer.class));
        FunkSVDItemScorer fsvd = (FunkSVDItemScorer) scorer;
        assertThat(fsvd.getUpdateRule(),
                   not(nullValue()));
    }
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                   instanceOf(ItemItemGlobalScorer.class));
    }

    @Test
    public void testContextRemoved() {
        LenskitRecommender rec = engine.createRecommender();
        assertThat(rec.get(ItemItemBuildContext.class),
                   nullValue());
    }
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                   nullValue());
    }

    @Test
    public void testConfigSeparation() {
        LenskitRecommender rec1 = null;
        LenskitRecommender rec2 = null;
        rec1 = engine.createRecommender();
        rec2 = engine.createRecommender();

        assertThat(rec1.getItemScorer(),
                   not(sameInstance(rec2.getItemScorer())));
        assertThat(rec1.get(ItemItemModel.class),
                   allOf(not(nullValue()),
                         sameInstance(rec2.get(ItemItemModel.class))));
    }
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Related Classes of org.grouplens.lenskit.core.LenskitRecommender

  • org.grouplens.lenskit.eval.metrics.topn.ItemSelectors$PopularItemSelector
  • org.grouplens.lenskit.eval.metrics.topn.ItemSelectors$RandomSubsetItemSelector
  • org.grouplens.lenskit.eval.metrics.topn.ItemSelectors$UniverseLoader
  • org.grouplens.lenskit.eval.TrainModelTask
  • org.grouplens.lenskit.eval.traintest.LenskitEvalJob
  • org.grouplens.lenskit.inject.StaticInjector
  • org.grouplens.lenskit.knn.item.ItemItemRecommenderBuildTest
  • org.grouplens.lenskit.knn.item.ItemwiseRecommenderBuildTest
  • org.grouplens.lenskit.knn.item.model.NormalizingItemItemRecommenderBuildTest
  • org.grouplens.lenskit.mf.funksvd.FunkSVDRecommenderBuildTest
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