Package | Description |
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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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class |
LambdaDF
Computes lambda as
docFreq+1 / numberOfDocuments+1 . |
class |
LambdaTTF
Computes lambda as
totalTermFreq+1 / numberOfDocuments+1 . |
Modifier and Type | Field and Description |
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protected Lambda |
IBSimilarity.lambda
The lambda (λw) parameter.
|
Modifier and Type | Method and Description |
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Lambda |
IBSimilarity.getLambda()
Returns the distribution's lambda parameter
|
Constructor and Description |
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IBSimilarity(Distribution distribution,
Lambda lambda,
Normalization normalization)
Creates IBSimilarity from the three components.
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