com.hankcs.hanlp.model.perceptron.instance

Class Instance

java.lang.Object

com.hankcs.hanlp.model.perceptron.instance.Instance

Direct Known Subclasses:

CWSInstance, NERInstance, POSInstance

public class Instance
extends Object

Author:

hankcs

Field Summary

Fields

Modifier and Type	Field and Description
int[][]	featureMatrix
int[]	tagArray

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Instance()

Method Summary

Modifier and Type	Method and Description
protected static void	addFeature(CharSequence rawFeature, List<Integer> featureVector, FeatureMap featureMap)
protected static void	addFeatureThenClear(StringBuilder rawFeature, List<Integer> featureVector, FeatureMap featureMap) 添加特征，同时清空缓存
int[]	getFeatureAt(int position)
int	length()
int	size() 实例大小（有多少个要预测的元素）
String[]	tags(TagSet tagSet) 根据标注集还原字符形式的标签
protected static int[]	toFeatureArray(List<Integer> featureVector)

Methods inherited from class java.lang.Object

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

Field Detail

featureMatrix

public int[][] featureMatrix

tagArray

public int[] tagArray

Constructor Detail

Instance

protected Instance()

Method Detail

toFeatureArray

protected static int[] toFeatureArray(List<Integer> featureVector)

getFeatureAt

public int[] getFeatureAt(int position)

length

public int length()

addFeature

protected static void addFeature(CharSequence rawFeature,
                                 List<Integer> featureVector,
                                 FeatureMap featureMap)

addFeatureThenClear

protected static void addFeatureThenClear(StringBuilder rawFeature,
                                          List<Integer> featureVector,
                                          FeatureMap featureMap)

添加特征，同时清空缓存

Parameters:

rawFeature -

featureVector -

featureMap -

tags

public String[] tags(TagSet tagSet)

根据标注集还原字符形式的标签

Parameters:

tagSet -

Returns:

size

public int size()

实例大小（有多少个要预测的元素）

Returns: