Package | Description |
---|---|
org.apache.lucene.search.similarities |
This package contains the various ranking models that can be used in Lucene.
|
Modifier and Type | Class and Description |
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static class |
Normalization.NoNormalization
Implementation used when there is no normalization.
|
class |
NormalizationH1
Normalization model that assumes a uniform distribution of the term frequency.
|
class |
NormalizationH2
Normalization model in which the term frequency is inversely related to the
length.
|
class |
NormalizationH3
Dirichlet Priors normalization
|
class |
NormalizationZ
Pareto-Zipf Normalization
|
Modifier and Type | Field and Description |
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protected Normalization |
IBSimilarity.normalization
The term frequency normalization.
|
protected Normalization |
DFRSimilarity.normalization
The term frequency normalization.
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Modifier and Type | Method and Description |
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Normalization |
IBSimilarity.getNormalization()
Returns the term frequency normalization
|
Normalization |
DFRSimilarity.getNormalization()
Returns the second normalization
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Constructor and Description |
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DFRSimilarity(BasicModel basicModel,
AfterEffect afterEffect,
Normalization normalization)
Creates DFRSimilarity from the three components.
|
IBSimilarity(Distribution distribution,
Lambda lambda,
Normalization normalization)
Creates IBSimilarity from the three components.
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