edu.cmu.minorthird.text.model
Class UnigramModel

java.lang.Object
  edu.cmu.minorthird.text.model.UnigramModel

public class UnigramModel
extends java.lang.Object

Unigram Language Model

Author:

William Cohen

Constructor Summary

UnigramModel()

Method Summary

int	getFrequency(java.lang.String s)
double	getTotalWordCount()
void	incrementFrequency(java.lang.String s)
void	load(java.io.File file) Load a file where each line contains a pair.
static void	main(java.lang.String[] args)
void	save(java.io.File file) Save a unigram model
double	score(Span span) Return log Prob(span|model).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnigramModel

public UnigramModel()

Method Detail

load

public void load(java.io.File file)
          throws java.io.IOException,
                 java.io.FileNotFoundException

Load a file where each line contains a pair.

Throws:

java.io.IOException

java.io.FileNotFoundException

save

public void save(java.io.File file)
          throws java.io.IOException

Save a unigram model

Throws:

java.io.IOException

score

public double score(Span span)

Return log Prob(span|model). Assuming indendence, this is sum log Prob(tok_i|model).

getTotalWordCount

public double getTotalWordCount()

getFrequency

public int getFrequency(java.lang.String s)

incrementFrequency

public void incrementFrequency(java.lang.String s)

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException