edu.cmu.minorthird.text.learn
Class AbstractBatchAnnotatorLearner

java.lang.Object
  edu.cmu.minorthird.text.learn.AnnotatorLearner
      edu.cmu.minorthird.text.learn.AbstractBatchAnnotatorLearner

Direct Known Subclasses:

SequenceAnnotatorLearner

public abstract class AbstractBatchAnnotatorLearner
extends AnnotatorLearner

Learn an annotation model using a sequence dataset and some sort of batch learner.

Author:

William Cohen

Field Summary

protected java.lang.String	annotationType
protected SpanFeatureExtractor	fe
protected Extraction2TaggingReduction	reduction
protected SequenceDataset	seqData

Constructor Summary

AbstractBatchAnnotatorLearner()

AbstractBatchAnnotatorLearner(SpanFeatureExtractor fe, Extraction2TaggingReduction reduction)

Method Summary

java.lang.String	getAnnotationType() Get the label used for annotations produced by the learner.
abstract Annotator	getAnnotator() Return the learned annotator.
SequenceDataset	getSequenceDataset() Get the constructed sequence data.
SpanFeatureExtractor	getSpanFeatureExtractor() Feature extractor used for tokens
Extraction2TaggingReduction	getTaggingReduction() Scheme for reducing extraction to a token-classification problem
java.lang.String	getTaggingReductionHelp()
boolean	hasNextQuery() Ask for labels on every document.
Span	nextQuery() Return the next unlabeled document.
void	reset()
void	setAnnotationType(java.lang.String s) The spanType of the annotation produced by the learned annotator.
void	setAnswer(AnnotationExample answeredQuery) Accept the answer to the last query.
void	setDocumentPool(java.util.Iterator<Span> documentLooper) Accept the pool of unlabeled documents.
void	setSpanFeatureExtractor(SpanFeatureExtractor fe) Set the feature extractor used by this annotator.
void	setTaggingReduction(Extraction2TaggingReduction reduction)

Methods inherited from class edu.cmu.minorthird.text.learn.AnnotatorLearner

getAnnotationTypeHelp, getSpanFeatureExtractorHelp

Methods inherited from class java.lang.Object

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

Field Detail

fe

protected SpanFeatureExtractor fe

annotationType

protected java.lang.String annotationType

seqData

protected SequenceDataset seqData

reduction

protected Extraction2TaggingReduction reduction

Constructor Detail

AbstractBatchAnnotatorLearner

public AbstractBatchAnnotatorLearner()

AbstractBatchAnnotatorLearner

public AbstractBatchAnnotatorLearner(SpanFeatureExtractor fe,
                                     Extraction2TaggingReduction reduction)

Method Detail

reset

public void reset()

Specified by:

reset in class AnnotatorLearner

getTaggingReduction

public Extraction2TaggingReduction getTaggingReduction()

Scheme for reducing extraction to a token-classification problem

setTaggingReduction

public void setTaggingReduction(Extraction2TaggingReduction reduction)

getTaggingReductionHelp

public java.lang.String getTaggingReductionHelp()

getSpanFeatureExtractor

public SpanFeatureExtractor getSpanFeatureExtractor()

Feature extractor used for tokens

Specified by:

getSpanFeatureExtractor in class AnnotatorLearner

setSpanFeatureExtractor

public void setSpanFeatureExtractor(SpanFeatureExtractor fe)

Description copied from class: AnnotatorLearner

Set the feature extractor used by this annotator. This may have no action if no such feature extractor exists.

Specified by:

setSpanFeatureExtractor in class AnnotatorLearner

setAnnotationType

public void setAnnotationType(java.lang.String s)

The spanType of the annotation produced by the learned annotator.

Specified by:

setAnnotationType in class AnnotatorLearner

getAnnotationType

public java.lang.String getAnnotationType()

Description copied from class: AnnotatorLearner

Get the label used for annotations produced by the learner.

Specified by:

getAnnotationType in class AnnotatorLearner

setDocumentPool

public void setDocumentPool(java.util.Iterator<Span> documentLooper)

Accept the pool of unlabeled documents.

Specified by:

setDocumentPool in class AnnotatorLearner

hasNextQuery

public boolean hasNextQuery()

Ask for labels on every document.

Specified by:

hasNextQuery in class AnnotatorLearner

nextQuery

public Span nextQuery()

Return the next unlabeled document.

Specified by:

nextQuery in class AnnotatorLearner

setAnswer

public void setAnswer(AnnotationExample answeredQuery)

Accept the answer to the last query.

Specified by:

setAnswer in class AnnotatorLearner

getAnnotator

public abstract Annotator getAnnotator()

Return the learned annotator.

Specified by:

getAnnotator in class AnnotatorLearner

getSequenceDataset

public SequenceDataset getSequenceDataset()

Get the constructed sequence data.