Uses of Class
org.apache.lucene.search.similarities.Similarity

Packages that use Similarity
org.apache.lucene.index Code to maintain and access indices. 
org.apache.lucene.search Code to search indices. 
org.apache.lucene.search.payloads The payloads package provides Query mechanisms for finding and using payloads. 
org.apache.lucene.search.similarities This package contains the various ranking models that can be used in Lucene. 
org.apache.lucene.search.spans The calculus of spans. 
 

Uses of Similarity in org.apache.lucene.index
 

Fields in org.apache.lucene.index declared as Similarity
protected  Similarity LiveIndexWriterConfig.similarity
          Similarity to use when encoding norms.
 

Methods in org.apache.lucene.index that return Similarity
 Similarity IndexWriterConfig.getSimilarity()
           
 Similarity LiveIndexWriterConfig.getSimilarity()
          Expert: returns the Similarity implementation used by this IndexWriter.
 

Methods in org.apache.lucene.index with parameters of type Similarity
 IndexWriterConfig IndexWriterConfig.setSimilarity(Similarity similarity)
          Expert: set the Similarity implementation used by this IndexWriter.
 

Uses of Similarity in org.apache.lucene.search
 

Fields in org.apache.lucene.search declared as Similarity
protected  Similarity BooleanQuery.BooleanWeight.similarity
          The Similarity implementation.
 

Methods in org.apache.lucene.search that return Similarity
static Similarity IndexSearcher.getDefaultSimilarity()
          Expert: returns a default Similarity instance.
 Similarity IndexSearcher.getSimilarity()
           
 

Methods in org.apache.lucene.search with parameters of type Similarity
 void IndexSearcher.setSimilarity(Similarity similarity)
          Expert: Set the Similarity implementation used by this IndexSearcher.
 

Uses of Similarity in org.apache.lucene.search.payloads
 

Methods in org.apache.lucene.search.payloads with parameters of type Similarity
protected  void PayloadTermQuery.PayloadTermWeight.PayloadTermSpanScorer.processPayload(Similarity similarity)
           
 

Constructors in org.apache.lucene.search.payloads with parameters of type Similarity
PayloadNearQuery.PayloadNearSpanScorer(Spans spans, Weight weight, Similarity similarity, Similarity.SimScorer docScorer)
           
 

Uses of Similarity in org.apache.lucene.search.similarities
 

Subclasses of Similarity in org.apache.lucene.search.similarities
 class BM25Similarity
          BM25 Similarity.
 class DefaultSimilarity
          Expert: Default scoring implementation which encodes norm values as a single byte before being stored.
 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.
 class MultiSimilarity
          Implements the CombSUM method for combining evidence from multiple similarity values described in: Joseph A.
 class PerFieldSimilarityWrapper
          Provides the ability to use a different Similarity for different fields.
 class SimilarityBase
          A subclass of Similarity that provides a simplified API for its descendants.
 class TFIDFSimilarity
          Implementation of Similarity with the Vector Space Model.
 

Fields in org.apache.lucene.search.similarities declared as Similarity
protected  Similarity[] MultiSimilarity.sims
          the sub-similarities used to create the combined score
 

Methods in org.apache.lucene.search.similarities that return Similarity
abstract  Similarity PerFieldSimilarityWrapper.get(String name)
          Returns a Similarity for scoring a field.
 

Constructors in org.apache.lucene.search.similarities with parameters of type Similarity
MultiSimilarity(Similarity[] sims)
          Creates a MultiSimilarity which will sum the scores of the provided sims.
 

Uses of Similarity in org.apache.lucene.search.spans
 

Fields in org.apache.lucene.search.spans declared as Similarity
protected  Similarity SpanWeight.similarity
           
 



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