fuzzydl
Class DefuzzifyQuery

java.lang.Object
  fuzzydl.Query
      fuzzydl.DefuzzifyQuery

Direct Known Subclasses:

LomDefuzzifyQuery, MomDefuzzifyQuery, SomDefuzzifyQuery

public abstract class DefuzzifyQuery
extends Query

Defuzzification query.

Field Summary

protected Individual	a
protected Concept	conc
protected java.lang.String	fName
protected Expression	objExpr

Constructor Summary

DefuzzifyQuery(Concept c, Individual ind, java.lang.String featureName)

Method Summary

abstract Expression	getObjExpression(Variable q) Gets the objective expression.
void	preprocess(KnowledgeBase kb) Performs some preprocessing steps of the query over a fuzzy KB.
Solution	solve(KnowledgeBase kb) Solves the query over a fuzzy KB.

Methods inherited from class java.lang.Object

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

Field Detail

a

protected Individual a

conc

protected Concept conc

fName

protected java.lang.String fName

objExpr

protected Expression objExpr

Constructor Detail

DefuzzifyQuery

public DefuzzifyQuery(Concept c,
                      Individual ind,
                      java.lang.String featureName)

Method Detail

preprocess

public void preprocess(KnowledgeBase kb)
                throws FuzzyOntologyException

Description copied from class: Query

Performs some preprocessing steps of the query over a fuzzy KB.

Specified by:

preprocess in class Query

Parameters:

kb - A fuzzy KB.

Throws:

FuzzyOntologyException

solve

public Solution solve(KnowledgeBase kb)
               throws FuzzyOntologyException

Description copied from class: Query

Solves the query over a fuzzy KB.

Specified by:

solve in class Query

Parameters:

kb - A fuzzy KB.

Returns:

An optimal solution to the query.

Throws:

FuzzyOntologyException

getObjExpression

public abstract Expression getObjExpression(Variable q)

Gets the objective expression.

Parameters:

q - Variable taking part in the query.

Returns:

Objective expression.