com.hankcs.hanlp.model.perceptron

Class PerceptronNERecognizer

java.lang.Object

com.hankcs.hanlp.model.perceptron.InstanceConsumer

com.hankcs.hanlp.model.perceptron.PerceptronTagger

com.hankcs.hanlp.model.perceptron.PerceptronNERecognizer

All Implemented Interfaces:

NERecognizer

public class PerceptronNERecognizer
extends PerceptronTagger
implements NERecognizer

命名实体识别

Author:

hankcs

Field Summary

Fields inherited from class com.hankcs.hanlp.model.perceptron.PerceptronTagger

model

Constructor Summary

Constructors

Constructor and Description
PerceptronNERecognizer() 加载配置文件指定的模型
PerceptronNERecognizer(LinearModel nerModel)
PerceptronNERecognizer(String nerModelPath)

Method Summary

Modifier and Type	Method and Description
protected Instance	createInstance(Sentence sentence, FeatureMap featureMap)
NERTagSet	getNERTagSet()
boolean	learn(String segmentedTaggedNERSentence) 在线学习
String[]	recognize(NERInstance instance)
String[]	recognize(String[] wordArray, String[] posArray) 命名实体识别

Methods inherited from class com.hankcs.hanlp.model.perceptron.PerceptronTagger

evaluate, getModel, learn, learn

Methods inherited from class com.hankcs.hanlp.model.perceptron.InstanceConsumer

evaluate, evaluate, normalize

Methods inherited from class java.lang.Object

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

Constructor Detail

PerceptronNERecognizer

public PerceptronNERecognizer(LinearModel nerModel)

PerceptronNERecognizer

public PerceptronNERecognizer(String nerModelPath)
                       throws IOException

Throws:

IOException

PerceptronNERecognizer

public PerceptronNERecognizer()
                       throws IOException

加载配置文件指定的模型

Throws:

IOException

Method Detail

recognize

public String[] recognize(String[] wordArray,
                          String[] posArray)

Description copied from interface: NERecognizer

命名实体识别

Specified by:

recognize in interface NERecognizer

Parameters:

wordArray - 单词

posArray - 词性

Returns:

BMES-NER标签

recognize

public String[] recognize(NERInstance instance)

getNERTagSet

public NERTagSet getNERTagSet()

Specified by:

getNERTagSet in interface NERecognizer

learn

public boolean learn(String segmentedTaggedNERSentence)

在线学习

Parameters:

segmentedTaggedNERSentence - 人民日报2014格式的句子

Returns:

是否学习成功（失败的原因是参数错误）

createInstance

protected Instance createInstance(Sentence sentence,
                                  FeatureMap featureMap)

Specified by:

createInstance in class InstanceConsumer