org.dllearner.algorithms.decisiontrees.heuristics

Class TreeInductionHeuristics

java.lang.Object

org.dllearner.algorithms.decisiontrees.heuristics.TreeInductionHeuristics

public class TreeInductionHeuristics
extends Object

Constructor Summary

Constructors

Constructor and Description
TreeInductionHeuristics()

Method Summary

Modifier and Type	Method and Description
AbstractClassExpressionLearningProblem	getProblem()
AbstractReasonerComponent	getReasoner()
void	init()
org.semanticweb.owlapi.model.OWLClassExpression	selectBestConcept(org.semanticweb.owlapi.model.OWLClassExpression[] concepts, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs, double prPos, double prNeg)
org.semanticweb.owlapi.model.OWLClassExpression	selectBestConceptCCP(org.semanticweb.owlapi.model.OWLClassExpression[] concepts, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs, double prPos, double prNeg)
Couple<org.semanticweb.owlapi.model.OWLClassExpression,MassFunction>	selectBestConceptDST(org.semanticweb.owlapi.model.OWLClassExpression[] concepts, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs, double prPos, double prNeg) Returns the best pair with the lowest non specificity measure.
org.semanticweb.owlapi.model.OWLClassExpression	selectWorstConcept(org.semanticweb.owlapi.model.OWLClassExpression[] concepts, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs, double perPos, double perNeg) Selct the worst concept in terms of information gain.
Couple<org.semanticweb.owlapi.model.OWLClassExpression,MassFunction>	selectWorstConceptDST(org.semanticweb.owlapi.model.OWLClassExpression[] concepts, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs, SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs, double prPos, double prNeg) A method which select the worst pair in terms of non-specificity measure.
void	setProblem(AbstractClassExpressionLearningProblem problem)
void	setProblem(PosNegUndLP problem)
void	setReasoner(AbstractReasonerComponent reasoner)

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeInductionHeuristics

public TreeInductionHeuristics()

Method Detail

getProblem

public AbstractClassExpressionLearningProblem getProblem()

setProblem

public void setProblem(AbstractClassExpressionLearningProblem problem)

getReasoner

public AbstractReasonerComponent getReasoner()

setReasoner

public void setReasoner(AbstractReasonerComponent reasoner)

setProblem

public void setProblem(PosNegUndLP problem)

init

public void init()

selectBestConcept

public org.semanticweb.owlapi.model.OWLClassExpression selectBestConcept(org.semanticweb.owlapi.model.OWLClassExpression[] concepts,
                                                                         SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs,
                                                                         SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs,
                                                                         SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs,
                                                                         double prPos,
                                                                         double prNeg)

selectBestConceptCCP

public org.semanticweb.owlapi.model.OWLClassExpression selectBestConceptCCP(org.semanticweb.owlapi.model.OWLClassExpression[] concepts,
                                                                            SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs,
                                                                            SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs,
                                                                            SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs,
                                                                            double prPos,
                                                                            double prNeg)

selectBestConceptDST

public Couple<org.semanticweb.owlapi.model.OWLClassExpression,MassFunction> selectBestConceptDST(org.semanticweb.owlapi.model.OWLClassExpression[] concepts,
                                                                                                 SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs,
                                                                                                 SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs,
                                                                                                 SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs,
                                                                                                 double prPos,
                                                                                                 double prNeg)

Returns the best pair with the lowest non specificity measure. To be used with the original refinement operator for DL

Parameters:

concepts -

posExs -

negExs -

undExs -

prPos -

prNeg -

Returns:

selectWorstConceptDST

public Couple<org.semanticweb.owlapi.model.OWLClassExpression,MassFunction> selectWorstConceptDST(org.semanticweb.owlapi.model.OWLClassExpression[] concepts,
                                                                                                  SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs,
                                                                                                  SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs,
                                                                                                  SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs,
                                                                                                  double prPos,
                                                                                                  double prNeg)

A method which select the worst pair in terms of non-specificity measure. To be used jointly with the original refinement operators of DL-LEarner

Parameters:

concepts -

posExs -

negExs -

undExs -

prPos -

prNeg -

Returns:

selectWorstConcept

public org.semanticweb.owlapi.model.OWLClassExpression selectWorstConcept(org.semanticweb.owlapi.model.OWLClassExpression[] concepts,
                                                                          SortedSet<org.semanticweb.owlapi.model.OWLIndividual> posExs,
                                                                          SortedSet<org.semanticweb.owlapi.model.OWLIndividual> negExs,
                                                                          SortedSet<org.semanticweb.owlapi.model.OWLIndividual> undExs,
                                                                          double perPos,
                                                                          double perNeg)

Selct the worst concept in terms of information gain. To be used jointly with

Parameters:

concepts -

posExs -

negExs -

undExs -

perPos -

perNeg -

Returns: