## Uses of Class
org.apache.lucene.search.similarities.SimilarityBase

- Packages that use SimilarityBase
  Package | Description
  --- | ---
  org.apache.lucene.search.similarities | This package contains the various ranking models that can be used in Lucene.

- - ### Uses of SimilarityBase in org.apache.lucene.search.similarities

    Subclasses of SimilarityBase in org.apache.lucene.search.similarities
    Modifier and Type | Class and Description
    --- | ---
    `class` | `DFRSimilarity` Implements the divergence from randomness (DFR) framework introduced in Gianni Amati and Cornelis Joost Van Rijsbergen.
    `class` | `IBSimilarity` Provides a framework for the family of information-based models, as described in Stéphane Clinchant and Eric Gaussier.
    `class` | `LMDirichletSimilarity` Bayesian smoothing using Dirichlet priors.
    `class` | `LMJelinekMercerSimilarity` Language model based on the Jelinek-Mercer smoothing method.
    `class` | `LMSimilarity` Abstract superclass for language modeling Similarities.

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