## Hierarchy For Package org.apache.mahout.cf.taste.impl.recommender.knn

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.mahout.cf.taste.impl.recommender.AbstractRecommender (implements org.apache.mahout.cf.taste.recommender.Recommender)
    - org.apache.mahout.cf.taste.impl.recommender.GenericItemBasedRecommender (implements org.apache.mahout.cf.taste.recommender.ItemBasedRecommender)
      - org.apache.mahout.cf.taste.impl.recommender.knn.KnnItemBasedRecommender
  - org.apache.mahout.cf.taste.impl.recommender.knn.ConjugateGradientOptimizer (implements org.apache.mahout.cf.taste.impl.recommender.knn.Optimizer)
  - org.apache.mahout.cf.taste.impl.recommender.knn.NonNegativeQuadraticOptimizer (implements org.apache.mahout.cf.taste.impl.recommender.knn.Optimizer)

## Interface Hierarchy

- org.apache.mahout.cf.taste.impl.recommender.knn.Optimizer

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