Class BasicModelBE
java.lang.Object
org.apache.lucene.search.similarities.BasicModel
org.apache.lucene.search.similarities.BasicModelBE
Limiting form of the Bose-Einstein model. The formula used in Lucene differs
slightly from the one in the original paper:
F
is increased by tfn+1
and N
is increased by F
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionfinal float
score
(BasicStats stats, float tfn) Returns the informative content score.toString()
Subclasses must override this method to return the code of the basic model formula.Methods inherited from class org.apache.lucene.search.similarities.BasicModel
explain
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Constructor Details
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BasicModelBE
public BasicModelBE()Sole constructor: parameter-free
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Method Details
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score
Description copied from class:BasicModel
Returns the informative content score.- Specified by:
score
in classBasicModel
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toString
Description copied from class:BasicModel
Subclasses must override this method to return the code of the basic model formula. Refer to the original paper for the list.- Specified by:
toString
in classBasicModel
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