org.lionsoul.jcseg.extractor.impl

Class TextRankKeywordsExtractor

java.lang.Object

org.lionsoul.jcseg.extractor.KeywordsExtractor

org.lionsoul.jcseg.extractor.impl.TextRankKeywordsExtractor

public class TextRankKeywordsExtractor
extends KeywordsExtractor

document keywords extractor base on textRank algorithm

Author:

chenxin

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	autoFilter auto filter the words with low score
static float	D
protected int	keywordsNum
protected int	maxIterateNum
protected int	windowSize

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

seg

Constructor Summary

Constructors

Constructor and Description
TextRankKeywordsExtractor(ISegment seg)

Method Summary

Modifier and Type	Method and Description
List<String>	getKeywords(Reader reader) get the keywords list from a reader
int	getKeywordsNum()
int	getMaxIterateNum()
int	getWindowSize()
boolean	isAutoFilter()
void	setAutoFilter(boolean autoFilter)
void	setKeywordsNum(int keywordsNum)
void	setMaxIterateNum(int maxIterateNum)
void	setWindowSize(int windowSize)

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

filter, getKeywordsFromFile, getKeywordsFromString, 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

autoFilter

protected boolean autoFilter

auto filter the words with low score

Constructor Detail

TextRankKeywordsExtractor

public TextRankKeywordsExtractor(ISegment seg)

Method Detail

getKeywords

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

Description copied from class: KeywordsExtractor

get the keywords list from a reader

Specified by:

getKeywords in class KeywordsExtractor

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)

isAutoFilter

public boolean isAutoFilter()

setAutoFilter

public void setAutoFilter(boolean autoFilter)