public class BM extends BasicModel
Modifier and Type | Field and Description |
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protected String |
modelName
The name of the model.
|
i, numberOfDocuments, numberOfTokens
Constructor and Description |
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BM()
A default constructor.
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Modifier and Type | Method and Description |
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String |
getInfo()
Returns the name of the model.
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double |
score(double tf,
double documentFrequency,
double termFrequency,
double keyFrequency,
double documentLength)
This method computes the score for the implemented weighting model.
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clone, setNumberOfDocuments, setNumberOfTokens, stirlingPower
protected String modelName
public String getInfo()
getInfo
in class BasicModel
public double score(double tf, double documentFrequency, double termFrequency, double keyFrequency, double documentLength)
score
in class BasicModel
tf
- The term frequency in the documentdocumentFrequency
- The document frequency of the termtermFrequency
- the term frequency in the collectionkeyFrequency
- The normalised query term frequency.documentLength
- The length of the document.Terrier 4.0. Copyright © 2004-2014 University of Glasgow