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JelinekMercerDocModel Class Reference

Jelinek-Mercer interpolation. More...

#include <SimpleKLDocModel.hpp>

Inheritance diagram for JelinekMercerDocModel:

List of all members.

Public Methods
	JelinekMercerDocModel (int docID, Index *referenceIndex, UnigramLM &collectLM, double *docProbMass, double collectLMWeight, SimpleKLParameter::SmoothStrategy smthStrategy=SimpleKLParameter::INTERPOLATE)
virtual	~JelinekMercerDocModel ()
virtual double	unseenCoeff ()
	a(d)
virtual double	seenProb (double termFreq, int termID)
	p(w|d), w seen
Private Attributes
Index *	refIndex
double *	docPrMass
double	lambda
SimpleKLParameter::SmoothStrategy	strategy

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Detailed Description

Jelinek-Mercer interpolation.

 P(w|d) = (1-lambda)*Pml(w|d)+ lambda*Pc(w)

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Constructor & Destructor Documentation

JelinekMercerDocModel::JelinekMercerDocModel (  int    docID, Index *    referenceIndex, UnigramLM &    collectLM, double *    docProbMass, double    collectLMWeight, SimpleKLParameter::SmoothStrategy    smthStrategy = SimpleKLParameter::INTERPOLATE )  [inline]

virtual JelinekMercerDocModel::~JelinekMercerDocModel (    )  [inline, virtual]

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Member Function Documentation

virtual double JelinekMercerDocModel::seenProb (  double    termFreq, int    termID )  [inline, virtual]

p(w|d), w seen Implements SimpleKLDocModel.

virtual double JelinekMercerDocModel::unseenCoeff (    )  [inline, virtual]

a(d) Implements SimpleKLDocModel.

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Member Data Documentation

double* JelinekMercerDocModel::docPrMass [private]

double JelinekMercerDocModel::lambda [private]

Index* JelinekMercerDocModel::refIndex [private]

SimpleKLParameter::SmoothStrategy JelinekMercerDocModel::strategy [private]

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The documentation for this class was generated from the following file:

• SimpleKLDocModel.hpp

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