## 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.