dragon.ml.seqmodel.crf

Class CollinsSegmentTrainer

java.lang.Object

dragon.ml.seqmodel.crf.AbstractCRF

dragon.ml.seqmodel.crf.AbstractTrainer

dragon.ml.seqmodel.crf.CollinsBasicTrainer

dragon.ml.seqmodel.crf.CollinsSegmentTrainer

All Implemented Interfaces:

Trainer

public class CollinsSegmentTrainer
extends CollinsBasicTrainer

Collins segment trainer

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.ml.seqmodel.crf.CollinsBasicTrainer

beta, topSolutions, useUpdated

Fields inherited from class dragon.ml.seqmodel.crf.AbstractTrainer

doScaling, maxIteration, xtol

Fields inherited from class dragon.ml.seqmodel.crf.AbstractCRF

edgeGen, featureGenerator, lambda, model

Constructor Summary

Constructors

Constructor and Description
CollinsSegmentTrainer(ModelGraph model, FeatureGenerator featureGenerator, int maxSegmentLength)

Method Summary

Modifier and Type	Method and Description
protected Labeler	getLabeler()
protected int	getSegmentEnd(DataSequence dataSeq, int start)

Methods inherited from class dragon.ml.seqmodel.crf.CollinsBasicTrainer

getSequenceScore, isCorrect, train, updateWeights

Methods inherited from class dragon.ml.seqmodel.crf.AbstractTrainer

genStateVector, genStateVectorLog, getMaxIteration, needScaling, setMaxIteration, setScalingOption

Methods inherited from class dragon.ml.seqmodel.crf.AbstractCRF

computeTransMatrix, computeTransMatrix, getFeatureGenerator, getModelGraph, getModelParameter, readModelParameter, saveModelParameter

Methods inherited from class java.lang.Object

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

Methods inherited from interface dragon.ml.seqmodel.crf.Trainer

getFeatureGenerator, getModelGraph, getModelParameter, saveModelParameter

Constructor Detail

CollinsSegmentTrainer

public CollinsSegmentTrainer(ModelGraph model,
                             FeatureGenerator featureGenerator,
                             int maxSegmentLength)

Method Detail

getLabeler

protected Labeler getLabeler()

Overrides:

getLabeler in class CollinsBasicTrainer

getSegmentEnd

protected int getSegmentEnd(DataSequence dataSeq,
                            int start)

Overrides:

getSegmentEnd in class CollinsBasicTrainer