## Hierarchy For Package org.apache.mahout.cf.taste.hadoop.similarity.item

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.mahout.common.AbstractJob (implements org.apache.hadoop.util.Tool)
      - org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilarityJob
  - org.apache.mahout.cf.taste.hadoop.similarity.item.CountUsersKeyWritable (implements org.apache.hadoop.io.WritableComparable<T>)
  - org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.mahout.cf.taste.hadoop.similarity.item.CountUsersMapper
    - org.apache.mahout.cf.taste.hadoop.similarity.item.MostSimilarItemPairsMapper
  - org.apache.hadoop.mapreduce.Partitioner<KEY,VALUE>
    - org.apache.mahout.cf.taste.hadoop.similarity.item.CountUsersKeyWritable.CountUsersPartitioner
  - org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.mahout.cf.taste.hadoop.similarity.item.CountUsersReducer
    - org.apache.mahout.cf.taste.hadoop.similarity.item.MostSimilarItemPairsReducer
    - org.apache.mahout.cf.taste.hadoop.similarity.item.ToItemVectorsReducer
  - org.apache.hadoop.io.WritableComparator (implements org.apache.hadoop.io.RawComparator<T>)
    - org.apache.mahout.cf.taste.hadoop.similarity.item.CountUsersKeyWritable.CountUsersGroupComparator (implements java.io.Serializable)

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