cc.mallet.fst.confidence
Class GammaProductConfidenceEstimator

java.lang.Object
  cc.mallet.fst.confidence.TransducerConfidenceEstimator
      cc.mallet.fst.confidence.GammaProductConfidenceEstimator

All Implemented Interfaces:

java.io.Serializable

public class GammaProductConfidenceEstimator
extends TransducerConfidenceEstimator

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

See Also:

Serialized Form

Field Summary

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

model

Constructor Summary

GammaProductConfidenceEstimator(Transducer model)

Method Summary

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

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

Constructor Detail

GammaProductConfidenceEstimator

public GammaProductConfidenceEstimator(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.