edu.umass.cs.mallet.base.fst.confidence
Class ViterbiRatioConfidenceEstimator

java.lang.Object
  edu.umass.cs.mallet.base.fst.confidence.TransducerSequenceConfidenceEstimator
      edu.umass.cs.mallet.base.fst.confidence.ViterbiRatioConfidenceEstimator

public class ViterbiRatioConfidenceEstimator

extends TransducerSequenceConfidenceEstimator

Estimates the confidence of an entire sequence by the ration of the probabilities of the first and second best Viterbi paths.

Constructor Summary

ViterbiRatioConfidenceEstimator(Transducer model)

Method Summary

double

estimateConfidenceFor(Instance instance, java.lang.Object[] startTags, java.lang.Object[] inTags) Calculates the confidence in the tagging of an Instance.

Methods inherited from class edu.umass.cs.mallet.base.fst.confidence.TransducerSequenceConfidenceEstimator

rankInstancesByConfidence

Methods inherited from class java.lang.Object

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

Constructor Detail

ViterbiRatioConfidenceEstimator

public ViterbiRatioConfidenceEstimator(Transducer model)

Method Detail

estimateConfidenceFor

public double estimateConfidenceFor(Instance instance,
                                    java.lang.Object[] startTags,
                                    java.lang.Object[] inTags)

Calculates the confidence in the tagging of an Instance.

Specified by:

estimateConfidenceFor in class TransducerSequenceConfidenceEstimator