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Improving genetic algorithm using arc consistency technic
Author(s) -
Meriem Zouita,
Sadok Bouamama,
Kamel Barkaoui
Publication year - 2019
Publication title -
procedia computer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.334
H-Index - 76
ISSN - 1877-0509
DOI - 10.1016/j.procs.2019.09.309
Subject(s) - computer science , local consistency , consistency (knowledge bases) , constraint satisfaction problem , algorithm , genetic algorithm , constraint (computer aided design) , variable (mathematics) , chromosome , population , domain (mathematical analysis) , mathematical optimization , artificial intelligence , mathematics , machine learning , geometry , mathematical analysis , biochemistry , chemistry , demography , sociology , probabilistic logic , gene
We studied in this article a topic that focused on two areas of research: Constraint Satisfaction Problems (CSP) and genetic algorithms. The problem is that this type of algorithm is recognized to be greedy in terms of CPU time. To solve this problem, we tried to integrate the arc consistency (AC) at the initial population in a way that it would be the result of this filtering. First, we generated the genetic algorithm without integrating the arc consistency. Then, we considered that each chromosome is a CSP, each gene is a variable of the problem and each allele represents the taken value. We randomly generated the CSP to obtain the inconsistent values of each pair of variables. To remove these values, we used the technique of arc consistency as a technique for solving this type of problem, that means we have worked to eliminate from each variables domain the values which violate the constraint specific and make the CSP inconsistent. The aim of this work is to reduce performance in terms of execution time of the genetic algorithm.

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