kylm.model.ngram.smoother
Class KNSmoother

java.lang.Object
  kylm.model.ngram.smoother.NgramSmoother
      kylm.model.ngram.smoother.AbsoluteSmoother
          kylm.model.ngram.smoother.KNSmoother

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

MKNSmoother

public class KNSmoother
extends AbsoluteSmoother

Calculate N-gram probabilities with Kneser-Ney smoothing

Author:

neubig

See Also:

Serialized Form

Constructor Summary

KNSmoother()

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

KNSmoother

public KNSmoother()

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.

Overrides:

smooth in class AbsoluteSmoother

Parameters:

lm - The N-gram language model to smooth.

getName

public java.lang.String getName()

Overrides:

getName in class AbsoluteSmoother

Returns:

The name of this type of smoothing

getAbbr

public java.lang.String getAbbr()

Overrides:

getAbbr in class AbsoluteSmoother

Returns:

The abbreviation given to this type of smoothing