com.hankcs.hanlp.summary

Class KeywordExtractor

java.lang.Object

com.hankcs.hanlp.summary.KeywordExtractor

Direct Known Subclasses:

TermFrequencyCounter, TextRankKeyword, TfIdfCounter

public abstract class KeywordExtractor
extends Object

提取关键词的基类

Author:

hankcs

Field Summary

Fields

Modifier and Type	Field and Description
protected Segment	defaultSegment 默认分词器

Constructor Summary

Constructors

Constructor and Description
KeywordExtractor()
KeywordExtractor(Segment defaultSegment)

Method Summary

Modifier and Type	Method and Description
protected void	filter(List<Term> termList)
abstract List<String>	getKeywords(List<Term> termList, int size)
List<String>	getKeywords(String document) 提取关键词（top 10）
List<String>	getKeywords(String document, int size) 提取关键词
Segment	getSegment()
KeywordExtractor	setSegment(Segment segment) 设置关键词提取器使用的分词器
protected boolean	shouldInclude(Term term) 是否应当将这个term纳入计算，词性属于名词、动词、副词、形容词

Methods inherited from class java.lang.Object

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

Field Detail

defaultSegment

protected Segment defaultSegment

默认分词器

Constructor Detail

KeywordExtractor

public KeywordExtractor(Segment defaultSegment)

KeywordExtractor

public KeywordExtractor()

Method Detail

shouldInclude

protected boolean shouldInclude(Term term)

是否应当将这个term纳入计算，词性属于名词、动词、副词、形容词

Parameters:

term -

Returns:

是否应当

setSegment

public KeywordExtractor setSegment(Segment segment)

设置关键词提取器使用的分词器

Parameters:

segment - 任何开启了词性标注的分词器

Returns:

自己

getSegment

public Segment getSegment()

getKeywords

public List<String> getKeywords(String document,
                                int size)

提取关键词

Parameters:

document - 关键词

size - 需要几个关键词

Returns:

getKeywords

public List<String> getKeywords(String document)

提取关键词（top 10）

Parameters:

document - 文章

Returns:

filter

protected void filter(List<Term> termList)

getKeywords

public abstract List<String> getKeywords(List<Term> termList,
                                         int size)