com.hankcs.hanlp.mining.word

类 TfIdfCounter

java.lang.Object

com.hankcs.hanlp.summary.KeywordExtractor

com.hankcs.hanlp.mining.word.TfIdfCounter

public class TfIdfCounter
extends KeywordExtractor

TF-IDF统计工具兼关键词提取工具

作者:

hankcs

字段概要

从类继承的字段 com.hankcs.hanlp.summary.KeywordExtractor

defaultSegment

构造器概要

构造器

构造器和说明
TfIdfCounter()
TfIdfCounter(boolean filterStopWord)
TfIdfCounter(Segment defaultSegment)
TfIdfCounter(Segment defaultSegment, boolean filterStopWord)

方法概要

限定符和类型	方法和说明
void	add(List<Term> termList)
void	add(Object id, List<Term> termList)
void	add(Object id, String text) 添加文档
int	add(String text) 添加文档，自动分配id
Map<String,Double>	allTf()
Map<Object,Map<String,Double>>	compute()
Set<Object>	documents()
List<String>	getKeywords(List<Term> termList, int size)
List<Map.Entry<String,Double>>	getKeywordsOf(Object id)
List<Map.Entry<String,Double>>	getKeywordsOf(Object id, int size)
List<Map.Entry<String,Double>>	getKeywordsWithTfIdf(List<Term> termList, int size)
List<Map.Entry<String,Double>>	getKeywordsWithTfIdf(String document, int size)
Map<Object,Map<String,Double>>	getTfMap()
List<Map.Entry<String,Double>>	sortedAllTf()
List<Map.Entry<String,Integer>>	sortedAllTfInt()

从类继承的方法 com.hankcs.hanlp.summary.KeywordExtractor

filter, getKeywords, getKeywords, getSegment, setSegment, shouldInclude

从类继承的方法 java.lang.Object

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

构造器详细资料

TfIdfCounter

public TfIdfCounter()

TfIdfCounter

public TfIdfCounter(boolean filterStopWord)

TfIdfCounter

public TfIdfCounter(Segment defaultSegment,
                    boolean filterStopWord)

TfIdfCounter

public TfIdfCounter(Segment defaultSegment)

方法详细资料

getKeywords

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

指定者:

getKeywords 在类中 KeywordExtractor

getKeywordsWithTfIdf

public List<Map.Entry<String,Double>> getKeywordsWithTfIdf(String document,
                                                           int size)

getKeywordsWithTfIdf

public List<Map.Entry<String,Double>> getKeywordsWithTfIdf(List<Term> termList,
                                                           int size)

add

public void add(Object id,
                List<Term> termList)

add

public void add(List<Term> termList)

add

public void add(Object id,
                String text)

添加文档

参数:

id - 文档id

text - 文档内容

add

public int add(String text)

添加文档，自动分配id

参数:

text -

compute

public Map<Object,Map<String,Double>> compute()

getKeywordsOf

public List<Map.Entry<String,Double>> getKeywordsOf(Object id)

getKeywordsOf

public List<Map.Entry<String,Double>> getKeywordsOf(Object id,
                                                    int size)

documents

public Set<Object> documents()

getTfMap

public Map<Object,Map<String,Double>> getTfMap()

sortedAllTf

public List<Map.Entry<String,Double>> sortedAllTf()

sortedAllTfInt

public List<Map.Entry<String,Integer>> sortedAllTfInt()

allTf

public Map<String,Double> allTf()