edu.cmu.minorthird.text.learn
Class FeatureBuffer

java.lang.Object
  edu.cmu.minorthird.text.learn.SpanFE
      edu.cmu.minorthird.text.learn.FeatureBuffer

All Implemented Interfaces:

MixupCompatible, SpanFeatureExtractor, java.io.Serializable

public class FeatureBuffer
extends SpanFE

Buffers features constructed using the SpanFE.SpanResult subclasses.

This is intended to be used as an alternative to using the SpanFE class to build an Span2Instance converter, eg

 fe=new Span2Instance(){
 
        public extractInstance(Span s){
                FeatureBuffer buf=new FeatureBuffer();
                SpanFE.from(s,buf).tokens().emit();
                SpanFE.from(s,buf).left().subspan(-2,2).emit();
                SpanFE.from(s,buf).right().subspan(0,2).emit();
                buf.getInstance();
        }
 }
 

Author:

William Cohen

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class edu.cmu.minorthird.text.learn.SpanFE

SpanFE.Filter, SpanFE.Function, SpanFE.Result, SpanFE.SetResult<T>, SpanFE.SpanResult, SpanFE.SpanSetResult, SpanFE.StringBagResult, SpanFE.TokenSetResult

Field Summary

Fields inherited from class edu.cmu.minorthird.text.learn.SpanFE

annotatorLoader, instance, requiredAnnotation, requiredAnnotationFileToLoad, STORE_AS_BINARY, STORE_AS_COUNTS, STORE_COMPACTLY

Constructor Summary

FeatureBuffer(Span span)

FeatureBuffer(TextLabels labels, Span span)

Method Summary

void	extractFeatures(Span s) Implement this with a specific set of SpanFE 'pipelines'.
void	extractFeatures(TextLabels labels, Span s) Implement this with a specific set of SpanFE 'pipelines'.
Instance	getInstance()

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

emit, emit, emit, emit, extractInstance, extractInstance, from, from, getAnnotationProvider, getRequiredAnnotation, requireMyAnnotation, setAnnotationProvider, setAnnotatorLoader, setFeatureStoragePolicy, setRequiredAnnotation, setRequiredAnnotation, trace

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureBuffer

public FeatureBuffer(TextLabels labels,
                     Span span)

FeatureBuffer

public FeatureBuffer(Span span)

Method Detail

getInstance

public Instance getInstance()

extractFeatures

public void extractFeatures(TextLabels labels,
                            Span s)

Description copied from class: SpanFE

Implement this with a specific set of SpanFE 'pipelines'. Each pipeline will typically start with 'start(span)' and end with 'emit()'.

Specified by:

extractFeatures in class SpanFE

extractFeatures

public void extractFeatures(Span s)

Description copied from class: SpanFE

Implement this with a specific set of SpanFE 'pipelines'. Each pipeline will typically start with 'start(span)' and end with 'emit()'.

Overrides:

extractFeatures in class SpanFE