kylm.model.ngram.smoother
Class WBSmoother

java.lang.Object
  kylm.model.ngram.smoother.NgramSmoother
      kylm.model.ngram.smoother.WBSmoother

All Implemented Interfaces:

java.io.Serializable

public class WBSmoother
extends NgramSmoother

Calculate N-gram probabilities with Witten-Bell smoothing

Author:

neubig

See Also:

Serialized Form

Constructor Summary

WBSmoother()
Create a smoother and estimate the discounts automatically when it comes time to smooth

Method Summary

java.lang.String	getAbbr()
java.lang.String	getName()
void	smooth(NgramLM lm) Smooth all the n-gram probabilities in a language model according to the appropriate smoothing algorithm.

Methods inherited from class kylm.model.ngram.smoother.NgramSmoother

equals, getCutoffs, getDebugLevel, getSmoothUnigrams, setCutoffs, setDebugLevel, setSmoothUnigrams

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WBSmoother

public WBSmoother()

Create a smoother and estimate the discounts automatically when it comes time to smooth

Method Detail

smooth

public void smooth(NgramLM lm)

Description copied from class: NgramSmoother

Smooth all the n-gram probabilities in a language model according to the appropriate smoothing algorithm.

Specified by:

smooth in class NgramSmoother

Parameters:

lm - The N-gram language model to smooth.

getAbbr

public java.lang.String getAbbr()

Specified by:

getAbbr in class NgramSmoother

Returns:

The abbreviation given to this type of smoothing

getName

public java.lang.String getName()

Specified by:

getName in class NgramSmoother

Returns:

The name of this type of smoothing