edu.northwestern.at.morphadorner.corpuslinguistics.textsegmenter

Class TextTilingTextSegmenter

java.lang.Object

edu.northwestern.at.utils.IsCloseableObject

edu.northwestern.at.morphadorner.corpuslinguistics.textsegmenter.AbstractTextSegmenter

edu.northwestern.at.morphadorner.corpuslinguistics.textsegmenter.TextTilingTextSegmenter

All Implemented Interfaces:

TextSegmenter, IsCloseable, UsesLogger

public class TextTilingTextSegmenter
extends AbstractTextSegmenter
implements TextSegmenter

Marti Hearst's TextTiling linear text segmenter.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	slidingWindowSize Sliding window size.
protected int	stepSize Step size.

Fields inherited from class edu.northwestern.at.morphadorner.corpuslinguistics.textsegmenter.AbstractTextSegmenter

logger, stemmer, stopWords

Constructor Summary

Constructors

Constructor and Description
TextTilingTextSegmenter() Create segmenter.

Method Summary

Methods

Modifier and Type	Method and Description
<T> java.util.List<java.lang.Integer>	getSegmentPositions(java.util.List<java.util.List<T>> sentences) Segment text.
int	getSlidingWindowSize() Get sliding window size.
int	getStepSize() Get step size.
void	setSlidingWindowSize(int slidingWindowSize) Set sliding window size.
void	setStepSize(int stepSize) Set step size.

Methods inherited from class edu.northwestern.at.morphadorner.corpuslinguistics.textsegmenter.AbstractTextSegmenter

getLogger, getStemmer, getStopWords, setLogger, setStemmer, setStopWords

Methods inherited from class edu.northwestern.at.utils.IsCloseableObject

close

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.northwestern.at.utils.IsCloseable

close

Field Detail

slidingWindowSize

protected int slidingWindowSize

Sliding window size.

stepSize

protected int stepSize

Step size.

Constructor Detail

TextTilingTextSegmenter

public TextTilingTextSegmenter()

Create segmenter.

Method Detail

getSlidingWindowSize

public int getSlidingWindowSize()

Get sliding window size.

Returns:

Sliding window size.

setSlidingWindowSize

public void setSlidingWindowSize(int slidingWindowSize)

Set sliding window size.

Parameters:

slidingWindowSize - The sliding window size.

getStepSize

public int getStepSize()

Get step size.

Returns:

The step size.

setStepSize

public void setStepSize(int stepSize)

Set step size.

Parameters:

stepSize - The step size.

getSegmentPositions

public <T> java.util.List<java.lang.Integer> getSegmentPositions(java.util.List<java.util.List<T>> sentences)

Segment text.

Specified by:

getSegmentPositions in interface TextSegmenter

Specified by:

getSegmentPositions in class AbstractTextSegmenter

Parameters:

sentences - The list of tokenized sentences to segment.

Returns:

A list of sentence indices which start a new text segment.