net.sf.tweety.logics.rpcl

Class CondensedProbabilityDistribution

java.lang.Object

net.sf.tweety.commons.AbstractInterpretation

net.sf.tweety.logics.pcl.semantics.ProbabilityDistribution<ReferenceWorld>

net.sf.tweety.logics.rpcl.CondensedProbabilityDistribution

All Implemented Interfaces:

java.util.Map<ReferenceWorld,Probability>, Interpretation

public class CondensedProbabilityDistribution
extends ProbabilityDistribution<ReferenceWorld>

Instances of this class represent condensed probability distributions, rf. [PhD thesis, Thimm].

Author:

Matthias Thimm

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private RpclSemantics	semantics The semantics used for this probability distribution.

Constructor Summary

Constructors

Constructor and Description
CondensedProbabilityDistribution(RpclSemantics semantics, FolSignature signature) Creates a new condensed probability distribution for the given signature.

Method Summary

Modifier and Type	Method and Description
double	condensedEntropy() Returns the condensed entropy of this distribution (neglecting multiplicators of reference worlds.
double	entropy() Returns the entropy of this probability distribution.
static CondensedProbabilityDistribution	getRandomDistribution(RpclSemantics semantics, FolSignature signature, java.util.Set<java.util.Set<Constant>> equivalenceClasses) Returns a random distribution on the given signature.
RpclSemantics	getSemantics() Returns the semantics of this distribution.
static CondensedProbabilityDistribution	getUniformDistribution(RpclSemantics semantics, FolSignature signature, java.util.Set<java.util.Set<Constant>> equivalenceClasses) Returns the uniform distribution on the given signature.
Probability	probability(FolFormula f)
boolean	satisfies(BeliefBase beliefBase) Checks whether this interpretation satisfies the given knowledge base.
boolean	satisfies(Formula formula) Checks whether this interpretation satisfies the given formula.
RpclProbabilityDistribution	toProbabilityDistribution() Converts this condensed probability distribution into an ordinary probability distribution.

Methods inherited from class net.sf.tweety.logics.pcl.semantics.ProbabilityDistribution

clear, conditionalProbability, containsKey, containsValue, convexCombination, convexCombination, entrySet, get, getSignature, getUniformDistribution, isEmpty, keySet, linearCombination, normalize, probability, probability, put, putAll, remove, size, toString, values

Methods inherited from class net.sf.tweety.commons.AbstractInterpretation

satisfies

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Detail

semantics

private RpclSemantics semantics

The semantics used for this probability distribution.

Constructor Detail

CondensedProbabilityDistribution

public CondensedProbabilityDistribution(RpclSemantics semantics,
                                        FolSignature signature)

Creates a new condensed probability distribution for the given signature.

Parameters:

semantics - the semantics used for this distribution.

signature - a fol signature.

Method Detail

satisfies

public boolean satisfies(Formula formula)
                  throws java.lang.IllegalArgumentException

Description copied from interface: Interpretation

Checks whether this interpretation satisfies the given formula.

Specified by:

satisfies in interface Interpretation

Overrides:

satisfies in class ProbabilityDistribution<ReferenceWorld>

Parameters:

formula - a formula .

Returns:

"true" if this interpretation satisfies the given formula.

Throws:

java.lang.IllegalArgumentException - if the formula does not correspond to the expected language.

satisfies

public boolean satisfies(BeliefBase beliefBase)
                  throws java.lang.IllegalArgumentException

Description copied from interface: Interpretation

Checks whether this interpretation satisfies the given knowledge base.

Specified by:

satisfies in interface Interpretation

Overrides:

satisfies in class ProbabilityDistribution<ReferenceWorld>

Parameters:

beliefBase - a knowledge base.

Returns:

"true" if this interpretation satisfies the given knowledge base.

Throws:

java.lang.IllegalArgumentException - IllegalArgumentException if the knowledgebase does not correspond to the expected language.

getSemantics

public RpclSemantics getSemantics()

Returns the semantics of this distribution.

Returns:

the semantics of this distribution.

entropy

public double entropy()

Description copied from class: ProbabilityDistribution

Returns the entropy of this probability distribution.

Overrides:

entropy in class ProbabilityDistribution<ReferenceWorld>

Returns:

the entropy of this probability distribution.

condensedEntropy

public double condensedEntropy()

Returns the condensed entropy of this distribution (neglecting multiplicators of reference worlds.

Returns:

the condensed entropy of this distribution

getUniformDistribution

public static CondensedProbabilityDistribution getUniformDistribution(RpclSemantics semantics,
                                                                      FolSignature signature,
                                                                      java.util.Set<java.util.Set<Constant>> equivalenceClasses)

Returns the uniform distribution on the given signature.

Parameters:

semantics - the semantics used for the distribution

signature - a fol signature

Returns:

the uniform distribution on the given signature.

getRandomDistribution

public static CondensedProbabilityDistribution getRandomDistribution(RpclSemantics semantics,
                                                                     FolSignature signature,
                                                                     java.util.Set<java.util.Set<Constant>> equivalenceClasses)

Returns a random distribution on the given signature.

Parameters:

semantics - the semantics used for the distribution

signature - a fol signature

Returns:

a random distribution on the given signature.

toProbabilityDistribution

public RpclProbabilityDistribution toProbabilityDistribution()

Converts this condensed probability distribution into an ordinary probability distribution.

Returns:

a probability distribution.

probability

public Probability probability(FolFormula f)