Package org.lionsoul.jcseg.extractor.impl

Class TextRankKeyphraseExtractor

java.lang.Object

org.lionsoul.jcseg.extractor.KeyphraseExtractor

org.lionsoul.jcseg.extractor.impl.TextRankKeyphraseExtractor

public class TextRankKeyphraseExtractor
extends KeyphraseExtractor

document key phrase extractor base on textRank algorithm

Author:

chenxin

Field Summary

Fields

Modifier and Type	Field	Description
protected int	autoMinLength	auto append the words with a length over the specified value as a phrase
static float	D
protected int	keywordsNum
protected int	maxIterateNum
protected int	maxWordsNum	max phrase length
protected int	windowSize

Fields inherited from class org.lionsoul.jcseg.extractor.KeyphraseExtractor

seg

Constructor Summary

Constructors

Constructor	Description
TextRankKeyphraseExtractor(ISegment seg)

Method Summary

Modifier and Type	Method	Description
int	getAutoMinLength()
List<String>	getKeyphrase(Reader reader)	get the keyphrase list from a reader
int	getKeywordsNum()
int	getMaxIterateNum()
int	getMaxWordsNum()
int	getWindowSize()
void	setAutoMinLength(int autoMinLength)
void	setKeywordsNum(int keywordsNum)
void	setMaxIterateNum(int maxIterateNum)
void	setMaxWordsNum(int maxPhraseLength)
void	setWindowSize(int windowSize)

Methods inherited from class org.lionsoul.jcseg.extractor.KeyphraseExtractor

filter, getKeyphraseFromFile, getKeyphraseFromString, getSeg, setSeg

Methods inherited from class java.lang.Object

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

Field Detail

D

public static final float D

See Also:

Constant Field Values

keywordsNum

protected int keywordsNum

maxIterateNum

protected int maxIterateNum

windowSize

protected int windowSize

autoMinLength

protected int autoMinLength

auto append the words with a length over the specified value as a phrase

maxWordsNum

protected int maxWordsNum

max phrase length

Constructor Detail

TextRankKeyphraseExtractor

public TextRankKeyphraseExtractor(ISegment seg)

Method Detail

getKeyphrase

public List<String> getKeyphrase(Reader reader)
                          throws IOException

Description copied from class: KeyphraseExtractor

get the keyphrase list from a reader

Specified by:

getKeyphrase in class KeyphraseExtractor

Throws:

IOException

getKeywordsNum

public int getKeywordsNum()

setKeywordsNum

public void setKeywordsNum(int keywordsNum)

getMaxIterateNum

public int getMaxIterateNum()

setMaxIterateNum

public void setMaxIterateNum(int maxIterateNum)

getWindowSize

public int getWindowSize()

setWindowSize

public void setWindowSize(int windowSize)

getAutoMinLength

public int getAutoMinLength()

setAutoMinLength

public void setAutoMinLength(int autoMinLength)

getMaxWordsNum

public int getMaxWordsNum()

setMaxWordsNum

public void setMaxWordsNum(int maxPhraseLength)