eus.ixa.ixa.pipe.nerc.features

Class CharacterNgramFeatureGenerator

java.lang.Object

opennlp.tools.util.featuregen.CustomFeatureGenerator

eus.ixa.ixa.pipe.nerc.features.CharacterNgramFeatureGenerator

All Implemented Interfaces:

opennlp.tools.util.featuregen.AdaptiveFeatureGenerator

public class CharacterNgramFeatureGenerator
extends opennlp.tools.util.featuregen.CustomFeatureGenerator

The CharacterNgramFeatureGenerator uses character ngrams to generate features about each token. The minimum and maximum length can be specified.

Constructor Summary

Constructors

Constructor and Description
CharacterNgramFeatureGenerator() Initializes the current instance.

Method Summary

Modifier and Type	Method and Description
void	clearAdaptiveData()
void	createFeatures(List<String> features, String[] tokens, int index, String[] preds)
void	init(Map<String,String> properties, opennlp.tools.util.featuregen.FeatureGeneratorResourceProvider resourceProvider)
void	updateAdaptiveData(String[] tokens, String[] outcomes)

Methods inherited from class java.lang.Object

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

Constructor Detail

CharacterNgramFeatureGenerator

public CharacterNgramFeatureGenerator()

Initializes the current instance.

Method Detail

createFeatures

public void createFeatures(List<String> features,
                           String[] tokens,
                           int index,
                           String[] preds)

updateAdaptiveData

public void updateAdaptiveData(String[] tokens,
                               String[] outcomes)

clearAdaptiveData

public void clearAdaptiveData()

init

public void init(Map<String,String> properties,
                 opennlp.tools.util.featuregen.FeatureGeneratorResourceProvider resourceProvider)
          throws opennlp.tools.util.InvalidFormatException

Specified by:

init in class opennlp.tools.util.featuregen.CustomFeatureGenerator

Throws:

opennlp.tools.util.InvalidFormatException