# Hierarchy For Package org.apache.lucene.search.similarities

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.search.similarities.AfterEffect
    - org.apache.lucene.search.similarities.AfterEffect.NoAfterEffect
    - org.apache.lucene.search.similarities.AfterEffectB
    - org.apache.lucene.search.similarities.AfterEffectL
  - org.apache.lucene.search.similarities.BasicModel
    - org.apache.lucene.search.similarities.BasicModelBE
    - org.apache.lucene.search.similarities.BasicModelD
    - org.apache.lucene.search.similarities.BasicModelG
    - org.apache.lucene.search.similarities.BasicModelIF
    - org.apache.lucene.search.similarities.BasicModelIn
    - org.apache.lucene.search.similarities.BasicModelIne
    - org.apache.lucene.search.similarities.BasicModelP
  - org.apache.lucene.search.similarities.Distribution
    - org.apache.lucene.search.similarities.DistributionLL
    - org.apache.lucene.search.similarities.DistributionSPL
  - org.apache.lucene.search.similarities.Lambda
    - org.apache.lucene.search.similarities.LambdaDF
    - org.apache.lucene.search.similarities.LambdaTTF
  - org.apache.lucene.search.similarities.LMSimilarity.DefaultCollectionModel (implements org.apache.lucene.search.similarities.LMSimilarity.CollectionModel)
  - org.apache.lucene.search.similarities.Normalization
    - org.apache.lucene.search.similarities.Normalization.NoNormalization
    - org.apache.lucene.search.similarities.NormalizationH1
    - org.apache.lucene.search.similarities.NormalizationH2
    - org.apache.lucene.search.similarities.NormalizationH3
    - org.apache.lucene.search.similarities.NormalizationZ
  - org.apache.lucene.search.similarities.Similarity
    - org.apache.lucene.search.similarities.BM25Similarity
    - org.apache.lucene.search.similarities.MultiSimilarity
    - org.apache.lucene.search.similarities.PerFieldSimilarityWrapper
    - org.apache.lucene.search.similarities.SimilarityBase
      - org.apache.lucene.search.similarities.DFRSimilarity
      - org.apache.lucene.search.similarities.IBSimilarity
      - org.apache.lucene.search.similarities.LMSimilarity
        - org.apache.lucene.search.similarities.LMDirichletSimilarity
        - org.apache.lucene.search.similarities.LMJelinekMercerSimilarity
    - org.apache.lucene.search.similarities.TFIDFSimilarity
      - org.apache.lucene.search.similarities.DefaultSimilarity
  - org.apache.lucene.search.similarities.Similarity.ExactSimScorer
  - org.apache.lucene.search.similarities.Similarity.SimWeight
    - org.apache.lucene.search.similarities.BasicStats
      - org.apache.lucene.search.similarities.LMSimilarity.LMStats
  - org.apache.lucene.search.similarities.Similarity.SloppySimScorer

## Interface Hierarchy

- org.apache.lucene.search.similarities.LMSimilarity.CollectionModel