Class WordClusterFeatureGenerator

java.lang.Object

opennlp.tools.util.featuregen.WordClusterFeatureGenerator

All Implemented Interfaces:

opennlp.tools.util.featuregen.AdaptiveFeatureGenerator

public class WordClusterFeatureGenerator
extends Object
implements opennlp.tools.util.featuregen.AdaptiveFeatureGenerator

An AdaptiveFeatureGenerator implementation of a word cluster feature generator. It is based on a pre-defined WordClusterDictionary.

See Also:

• AdaptiveFeatureGenerator
• WordClusterDictionary

Constructor Summary

Constructors

Constructor	Description
WordClusterFeatureGenerator(WordClusterDictionary dict, String dictResourceKey, boolean lowerCaseDictionary)	Instantiates a WordClusterFeatureGenerator via a specified WordClusterDictionary.

Method Summary

Modifier and Type	Method	Description
void	createFeatures(List<String> features, String[] tokens, int index, String[] previousOutcomes)

Methods inherited from class Object

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

Methods inherited from interface opennlp.tools.util.featuregen.AdaptiveFeatureGenerator

clearAdaptiveData, updateAdaptiveData

Constructor Details

WordClusterFeatureGenerator

public WordClusterFeatureGenerator(WordClusterDictionary dict,
 String dictResourceKey,
 boolean lowerCaseDictionary)

Instantiates a WordClusterFeatureGenerator via a specified WordClusterDictionary.

Parameters:

dict - The token dictionary to use.

dictResourceKey - The prefix to use for detected features. Typically, the value for this prefix should be "dict".

lowerCaseDictionary - true if tokens will be lower-cased during dictionary lookup, false otherwise.

Method Details

createFeatures

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

Specified by:

createFeatures in interface opennlp.tools.util.featuregen.AdaptiveFeatureGenerator