cc.mallet.fst.confidence

Class GammaAverageConfidenceEstimator

java.lang.Object

cc.mallet.fst.confidence.TransducerConfidenceEstimator

cc.mallet.fst.confidence.GammaAverageConfidenceEstimator

All Implemented Interfaces:

java.io.Serializable

public class GammaAverageConfidenceEstimator
extends TransducerConfidenceEstimator

Calculates the confidence in an extracted segment by taking the average of P(s_i|o) for each state in the segment.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GammaAverageConfidenceEstimator(Transducer model)

Method Summary

Modifier and Type	Method and Description
double	estimateConfidenceFor(Segment segment, SumLatticeDefault cachedLattice) Calculates the confidence in the tagging of a Segment.

Methods inherited from class cc.mallet.fst.confidence.TransducerConfidenceEstimator

estimateConfidenceFor, getSegmentConfidences, getTransducer, rankSegmentsByConfidence, rankSegmentsByConfidence

Methods inherited from class java.lang.Object

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

Constructor Detail

GammaAverageConfidenceEstimator

public GammaAverageConfidenceEstimator(Transducer model)

Method Detail

estimateConfidenceFor

public double estimateConfidenceFor(Segment segment,
                                    SumLatticeDefault cachedLattice)

Calculates the confidence in the tagging of a Segment.

Specified by:

estimateConfidenceFor in class TransducerConfidenceEstimator

Returns:

0-1 confidence value. higher = more confident.