org.lionsoul.jcseg.extractor.impl

Class TextRankSummaryExtractor

java.lang.Object

org.lionsoul.jcseg.extractor.SummaryExtractor

org.lionsoul.jcseg.extractor.impl.TextRankSummaryExtractor

public class TextRankSummaryExtractor
extends SummaryExtractor

TextRank summary extractor base on textRank algorithm

Author:

chenxin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	TextRankSummaryExtractor.Document summary document inner class

Field Summary

Fields

Modifier and Type	Field and Description
static float	B
static float	D
static float	K1
protected int	maxIterateNum
protected int	sentenceNum

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

sentenceSeg, wordSeg

Constructor Summary

Constructors

Constructor and Description
TextRankSummaryExtractor(ISegment wordSeg, SentenceSeg sentenceSeg)

Method Summary

Modifier and Type	Method and Description
List<String>	getKeySentence(Reader reader) get the key sentence from a reader
int	getMaxIterateNum()
int	getSentenceNum()
String	getSummary(Reader reader, int length) get summary from a reader
void	setMaxIterateNum(int maxIterateNum)
void	setSentenceNum(int sentenceNum)
protected TextRankSummaryExtractor.Document[]	textRankSortedDocuments(List<Sentence> sentence, List<List<IWord>> senWords) get the documents order by relevance score.

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

getKeySentenceFromFile, getKeySentenceFromString, getSentenceSeg, getSummaryFromFile, getSummaryFromString, getWordSeg, setSentenceSeg, setWordSeg

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

K1

public static final float K1

See Also:

Constant Field Values

B

public static final float B

See Also:

Constant Field Values

sentenceNum

protected int sentenceNum

maxIterateNum

protected int maxIterateNum

Constructor Detail

TextRankSummaryExtractor

public TextRankSummaryExtractor(ISegment wordSeg,
                                SentenceSeg sentenceSeg)

Method Detail

textRankSortedDocuments

protected TextRankSummaryExtractor.Document[] textRankSortedDocuments(List<Sentence> sentence,
                                                                      List<List<IWord>> senWords)
                                                               throws IOException

get the documents order by relevance score.

Parameters:

sentence -

senWords -

Throws:

IOException

getKeySentence

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

Description copied from class: SummaryExtractor

get the key sentence from a reader

Specified by:

getKeySentence in class SummaryExtractor

Returns:

String

Throws:

IOException

getSummary

public String getSummary(Reader reader,
                         int length)
                  throws IOException

Description copied from class: SummaryExtractor

get summary from a reader

Specified by:

getSummary in class SummaryExtractor

Returns:

String

Throws:

IOException

getSentenceNum

public int getSentenceNum()

setSentenceNum

public void setSentenceNum(int sentenceNum)

getMaxIterateNum

public int getMaxIterateNum()

setMaxIterateNum

public void setMaxIterateNum(int maxIterateNum)