dragon.ir.search.feedback

Class MinDivergenceFeedback

java.lang.Object

dragon.ir.search.feedback.AbstractFeedback

dragon.ir.search.feedback.MinDivergenceFeedback

All Implemented Interfaces:

Feedback

public class MinDivergenceFeedback
extends AbstractFeedback

Feedback based on Minimum Divergence

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
MinDivergenceFeedback(Searcher searcher, int feedbackDocNum, int expandTermNum, double feedbackCoeffi, double bkgCoeffi)

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

MinDivergenceFeedback

public MinDivergenceFeedback(Searcher searcher,
                             int feedbackDocNum,
                             int expandTermNum,
                             double feedbackCoeffi,
                             double bkgCoeffi)

Method Detail

estimateNewQueryModel

protected ArrayList estimateNewQueryModel(IRQuery oldQuery)

Specified by:

estimateNewQueryModel in class AbstractFeedback