fuzzydl

Class TrapezoidalConcreteConcept

java.lang.Object

fuzzydl.Concept

fuzzydl.FuzzyConcreteConcept

fuzzydl.TrapezoidalConcreteConcept

public class TrapezoidalConcreteConcept
extends FuzzyConcreteConcept

Fuzzy concrete concept defined with a trapezoidal function.

Author:

Fernando Bobillo

Field Summary

Fields inherited from class fuzzydl.Concept

ALL, AND, AT_LEAST_VALUE, AT_MOST_VALUE, ATOMIC, BOTTOM, CHOQUET_INTEGRAL, COMPLEMENT, CONCEPT_BOTTOM, CONCEPT_TOP, CONCRETE, CONCRETE_COMPLEMENT, DEFAULT_NAME, EXACT_VALUE, EXT_NEG_THRESHOLD, EXT_POS_THRESHOLD, FUZZY_NUMBER, FUZZY_NUMBER_COMPLEMENT, G_AND, G_IMPLIES, G_OR, HAS_VALUE, L_AND, L_OR, LOOSE_LOWER_APPROX, LOOSE_UPPER_APPROX, LOWER_APPROX, MODIFIED, MODIFIED_COMPLEMENT, NEG_THRESHOLD, NOT_AT_LEAST_VALUE, NOT_AT_MOST_VALUE, NOT_CHOQUET_INTEGRAL, NOT_EXACT_VALUE, NOT_EXT_NEG_THRESHOLD, NOT_EXT_POS_THRESHOLD, NOT_G_IMPLIES, NOT_HAS_VALUE, NOT_NEG_THRESHOLD, NOT_OWA, NOT_POS_THRESHOLD, NOT_QUANTIFIED_OWA, NOT_QUASI_SUGENO_INTEGRAL, NOT_SELF, NOT_SUGENO_INTEGRAL, NOT_W_MAX, NOT_W_MIN, NOT_W_SUM, NOT_W_SUM_ZERO, NOT_WEIGHTED, NOT_Z_IMPLIES, OR, OWA, POS_THRESHOLD, QUANTIFIED_OWA, QUASI_SUGENO_INTEGRAL, SELF, SOME, SUGENO_INTEGRAL, TIGHT_LOWER_APPROX, TIGHT_UPPER_APPROX, TOP, UPPER_APPROX, W_MAX, W_MIN, W_SUM, W_SUM_ZERO, WEIGHTED, Z_IMPLIES

Constructor Summary

Constructors

Constructor and Description
TrapezoidalConcreteConcept(java.lang.String name, double k1, double k2, double a, double b, double c, double d)
TrapezoidalConcreteConcept(java.lang.String name, int type, double k1, double k2, double a, double b, double c, double d)

Method Summary

Modifier and Type	Method and Description
Concept	complement() Gets the complement of the concept.
double	getMembershipDegree(double x) Gets the image in [0,1] of a real number to the explicit membership function.
java.lang.String	getName() Gets the definition of the CFC as a string.
void	solveAssertion(CreatedIndividual ind, Degree lowerLimit, KnowledgeBase kb) Solves an assertion of the form (individual, concept, degree) with respect to a fuzzy KB.

Methods inherited from class fuzzydl.FuzzyConcreteConcept

computeName, setK1, setK2, solveComplementAssertion, toString

Methods inherited from class fuzzydl.Concept

all, and, and, atLeastValue, atMostValue, complement, containsNegatedSubconcept, containsSubconcept, equals, exactValue, extendedNegThreshold, extendedPosThreshold, gAnd, gAnd, getAtomicConceptNames, getAtomicConcepts, getRole, getType, getValue, getWeight, getWeightVar, gImplies, gOr, gOr, hasNominals, hasValue, hasValue, isAtomic, isComplementedAtomic, isConcrete, kdImplies, lAnd, lAnd, lImplies, looseLowerApprox, looseUpperApprox, lOr, lOr, lowerApprox, nAry, negThreshold, newAtomicConcept, notHasValue, or, or, posThreshold, removeElement, replace, self, setName, setType, setValue, some, tightLowerApprox, tightUpperApprox, upperApprox, weightedConcept, zImplies

Methods inherited from class java.lang.Object

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

Constructor Detail

TrapezoidalConcreteConcept

public TrapezoidalConcreteConcept(java.lang.String name,
                                  double k1,
                                  double k2,
                                  double a,
                                  double b,
                                  double c,
                                  double d)
                           throws FuzzyOntologyException

Throws:

FuzzyOntologyException

TrapezoidalConcreteConcept

public TrapezoidalConcreteConcept(java.lang.String name,
                                  int type,
                                  double k1,
                                  double k2,
                                  double a,
                                  double b,
                                  double c,
                                  double d)
                           throws FuzzyOntologyException

Throws:

FuzzyOntologyException

Method Detail

complement

public Concept complement()
                   throws FuzzyOntologyException

Description copied from class: FuzzyConcreteConcept

Gets the complement of the concept.

Specified by:

complement in class FuzzyConcreteConcept

Returns:

The complement of the concept.

Throws:

FuzzyOntologyException - fuzzy ontology exception.

solveAssertion

public void solveAssertion(CreatedIndividual ind,
                           Degree lowerLimit,
                           KnowledgeBase kb)

Description copied from class: FuzzyConcreteConcept

Solves an assertion of the form (individual, concept, degree) with respect to a fuzzy KB.

Specified by:

solveAssertion in class FuzzyConcreteConcept

Parameters:

ind - Subject of the assertion.

lowerLimit - Lower bound of the assertion.

kb - Fuzzy KB.

getMembershipDegree

public double getMembershipDegree(double x)

Description copied from class: FuzzyConcreteConcept

Gets the image in [0,1] of a real number to the explicit membership function.

Specified by:

getMembershipDegree in class FuzzyConcreteConcept

Parameters:

x - A real number in the range of values of the explicit membership function.

Returns:

Image in [0,1] of x to the explicit membership function.

getName

public java.lang.String getName()

Description copied from class: FuzzyConcreteConcept

Gets the definition of the CFC as a string.

Specified by:

getName in class FuzzyConcreteConcept

Returns:

Definition of the CFC.