cmu.arktweetnlp.impl.features

Class FeatureExtractor

java.lang.Object

cmu.arktweetnlp.impl.features.FeatureExtractor

public class FeatureExtractor
extends java.lang.Object

Extracts features and numberizes them Also numberizes other things if necessary (e.g. label numberizations for MEMM training)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FeatureExtractor.FeatureExtractorInterface
static class	FeatureExtractor.PositionFeaturePairs

Field Summary

Fields

Modifier and Type	Field and Description
boolean	dumpMode
boolean	isTrainingTime
static java.util.logging.Logger	log

Constructor Summary

Constructors

Constructor and Description
FeatureExtractor(Model model, boolean isTrainingTime)

Method Summary

Methods

Modifier and Type	Method and Description
void	computeFeatures(Sentence linguisticSentence, ModelSentence modelSentence) Does feature extraction on one sentence.

Methods inherited from class java.lang.Object

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

Field Detail

isTrainingTime

public boolean isTrainingTime

dumpMode

public boolean dumpMode

log

public static java.util.logging.Logger log

Constructor Detail

FeatureExtractor

public FeatureExtractor(Model model,
                boolean isTrainingTime)
                 throws java.io.IOException

Throws:

java.io.IOException

Method Detail

computeFeatures

public void computeFeatures(Sentence linguisticSentence,
                   ModelSentence modelSentence)

Does feature extraction on one sentence. Input: textual representation of sentence Output: fills up modelSentence with numberized features