com.hankcs.hanlp.model.perceptron

Class PerceptronTagger

java.lang.Object

com.hankcs.hanlp.model.perceptron.InstanceConsumer

com.hankcs.hanlp.model.perceptron.PerceptronTagger

Direct Known Subclasses:

PerceptronNERecognizer, PerceptronPOSTagger, PerceptronSegmenter

public abstract class PerceptronTagger
extends InstanceConsumer

抽象的感知机标注器

Author:

hankcs

Field Summary

Fields

Modifier and Type	Field and Description
protected StructuredPerceptron	model 用StructurePerceptron实现在线学习

Constructor Summary

Constructors

Constructor and Description
PerceptronTagger(LinearModel model)
PerceptronTagger(StructuredPerceptron model)

Method Summary

Modifier and Type	Method and Description
double[]	evaluate(String corpora) 性能测试
LinearModel	getModel()
boolean	learn(Instance instance) 在线学习
boolean	learn(Sentence sentence) 在线学习

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

createInstance, evaluate, evaluate, normalize

Methods inherited from class java.lang.Object

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

Field Detail

model

protected final StructuredPerceptron model

用StructurePerceptron实现在线学习

Constructor Detail

PerceptronTagger

public PerceptronTagger(LinearModel model)

PerceptronTagger

public PerceptronTagger(StructuredPerceptron model)

Method Detail

getModel

public LinearModel getModel()

learn

public boolean learn(Instance instance)

在线学习

Parameters:

instance -

Returns:

learn

public boolean learn(Sentence sentence)

在线学习

Parameters:

sentence -

Returns:

evaluate

public double[] evaluate(String corpora)
                  throws IOException

性能测试

Parameters:

corpora - 数据集

Returns:

默认返回accuracy，有些子类可能返回P,R,F1

Throws:

IOException