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UnigramLM Class Reference

Abstract Unigram Language Model class. More...

#include <UnigramLM.hpp>

Inheritance diagram for UnigramLM:

List of all members.

Public Methods
virtual double	prob (int wordIndex)=0
	return p(w).
virtual const char*	lexiconID ()=0
	return a string ID of the lexicon on which the word index should be interpreted.
virtual void	startIteration ()=0
	iteration over non-zero probability entries.
virtual bool	hasMore ()=0
virtual void	nextWordProb (int &wordIndex,double &prob)=0

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Detailed Description

Abstract Unigram Language Model class.

The index range ([0,N]) is assumed to be defined by the lexicon. The caller is responsible for boundary check if necessary. Any undefined index would have a zero probability.

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Member Function Documentation

virtual bool UnigramLM::hasMore ( ) [pure virtual]

Reimplemented in SmoothedMLEstimator.

const char * UnigramLM::lexiconID ( ) [pure virtual]

return a string ID of the lexicon on which the word index should be interpreted. Reimplemented in SmoothedMLEstimator.

virtual void UnigramLM::nextWordProb ( int & wordIndex, double & prob ) [pure virtual]

Reimplemented in SmoothedMLEstimator.

double UnigramLM::prob ( int wordIndex ) [pure virtual]

return p(w). Reimplemented in SmoothedMLEstimator.

void UnigramLM::startIteration ( ) [pure virtual]

iteration over non-zero probability entries. Reimplemented in SmoothedMLEstimator.

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

• UnigramLM.hpp

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