dragon.ir.search.feedback

Class PhraseTransFeedback

java.lang.Object

dragon.ir.search.feedback.AbstractFeedback

dragon.ir.search.feedback.PhraseTransFeedback

All Implemented Interfaces:

Feedback

public class PhraseTransFeedback
extends AbstractFeedback

Feedback based on phrase-word translation

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.ir.search.feedback.AbstractFeedback

feedbackCoeffi, feedbackDocNum, searcher

Constructor Summary

Constructors

Constructor and Description
PhraseTransFeedback(Searcher searcher, int feedbackDocNum, int expandTermNum, double feedbackCoeffi, IndexReader phraseIndexer, double bkgCoeffi)
PhraseTransFeedback(Searcher searcher, int feedbackDocNum, int expandTermNum, double feedbackCoeffi, IndexReader phraseIndexer, double bkgCoeffi, DoubleSparseMatrix transMatrix)

Method Summary

Modifier and Type	Method and Description
protected ArrayList	estimateNewQueryModel(IRQuery oldQuery)

Methods inherited from class dragon.ir.search.feedback.AbstractFeedback

buildIRTerm, buildSimpleTermPredicate, getFeedbackDocNum, getSearcher, setFeedbackDocNum, setSearcher, updateQueryModel

Methods inherited from class java.lang.Object

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

Constructor Detail

PhraseTransFeedback

public PhraseTransFeedback(Searcher searcher,
                           int feedbackDocNum,
                           int expandTermNum,
                           double feedbackCoeffi,
                           IndexReader phraseIndexer,
                           double bkgCoeffi)

PhraseTransFeedback

public PhraseTransFeedback(Searcher searcher,
                           int feedbackDocNum,
                           int expandTermNum,
                           double feedbackCoeffi,
                           IndexReader phraseIndexer,
                           double bkgCoeffi,
                           DoubleSparseMatrix transMatrix)

Method Detail

estimateNewQueryModel

protected ArrayList estimateNewQueryModel(IRQuery oldQuery)

Specified by:

estimateNewQueryModel in class AbstractFeedback