edu.washington.cs.supple.render.utility
Class DistanceBasedQueryGenerator

java.lang.Object
  edu.washington.cs.supple.render.utility.AbstractElicitationQueryGenerator
      edu.washington.cs.supple.render.utility.DistanceBasedQueryGenerator

All Implemented Interfaces:

ElicitationQueryGenerator

Direct Known Subclasses:

HeuristicQueryGenerator, RandomQueryGenerator, VersionSpaceQueryGenerator

public abstract class DistanceBasedQueryGenerator

extends AbstractElicitationQueryGenerator

Author:

kgajos

Nested Class Summary

protected class

DistanceBasedQueryGenerator.ConstraintInfo

Field Summary

protected java.util.Hashtable	constraints
protected java.util.Hashtable	constraintScores
protected java.util.Vector	previouslyUsedConstraints

Fields inherited from class edu.washington.cs.supple.render.utility.AbstractElicitationQueryGenerator

constraintGenerator, costCalculator, costFunction, queryHistory, solver, vetoFunction, widgetFactory

Constructor Summary

DistanceBasedQueryGenerator()

Method Summary

protected abstract double	computeConstraintScore(FactorConstraint constraint)
protected ElicitationQuery	constructQuery(FactorConstraint constraint)
protected void	generateConstraintsForDomain(ElicitationQueryDomain domain)
protected void	generateConstraintsForElement(UiObject root, UiObject element)
protected void	generateConstraintsForUI(UiObject root)
ElicitationQuery	generateQuery(ElicitationQueryDomain domain, FactoredCostFunction curCostFunction)
protected FactorConstraint	getBestConstraint()
protected DistanceBasedQueryGenerator.ConstraintInfo	getConstraintInfo(FactorConstraint constraint)
protected double	getConstraintScore(FactorConstraint constraint)
protected boolean	isGoodCandidate(FactorConstraint constraint)
protected void	reset()
protected void	scoreConstraints()
protected void	setConstraintScore(FactorConstraint constraint, double score)

Methods inherited from class edu.washington.cs.supple.render.utility.AbstractElicitationQueryGenerator

addToQueryHistory, generatePerturbedSolution, generateQuery, getCostDifference, getPossibleWidgets, getPossibleWidgets, init, isGoodQueryCandidate, isGoodQueryCandidate, makeFactorConstraint, makeFactorConstraint

Methods inherited from class java.lang.Object

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

Field Detail

constraints

protected java.util.Hashtable constraints

constraintScores

protected java.util.Hashtable constraintScores

previouslyUsedConstraints

protected java.util.Vector previouslyUsedConstraints

Constructor Detail

DistanceBasedQueryGenerator

public DistanceBasedQueryGenerator()

Method Detail

reset

protected void reset()

generateQuery

public ElicitationQuery generateQuery(ElicitationQueryDomain domain,
                                      FactoredCostFunction curCostFunction)
                               throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

generateConstraintsForDomain

protected void generateConstraintsForDomain(ElicitationQueryDomain domain)

generateConstraintsForUI

protected void generateConstraintsForUI(UiObject root)

generateConstraintsForElement

protected void generateConstraintsForElement(UiObject root,
                                             UiObject element)

isGoodCandidate

protected boolean isGoodCandidate(FactorConstraint constraint)

scoreConstraints

protected void scoreConstraints()

computeConstraintScore

protected abstract double computeConstraintScore(FactorConstraint constraint)

setConstraintScore

protected void setConstraintScore(FactorConstraint constraint,
                                  double score)

getConstraintScore

protected double getConstraintScore(FactorConstraint constraint)

getConstraintInfo

protected DistanceBasedQueryGenerator.ConstraintInfo getConstraintInfo(FactorConstraint constraint)

getBestConstraint

protected FactorConstraint getBestConstraint()

constructQuery

protected ElicitationQuery constructQuery(FactorConstraint constraint)