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Authors: Mahdi Bidar ; Malek Mouhoub and Samira Sadaoui

Affiliation: Department of Computer Science, University of Regina, Regina, Canada

Keyword(s): Constraint Satisfaction Problems (CSPs), Nature-inspired Techniques, Optimization, Metaheuristics.

Abstract: We present a new nature-inspired approach based on the Focus Group Optimization Algorithm (FGOA) for solving Constraint Satisfaction Problems (CSPs). CSPs are NP-complete problems meaning that solving them by classical systematic search methods requires exponential time, in theory. Appropriate alternatives are approximation methods such as metaheuristic algorithms which have shown successful results when solving combinatorial problems. FGOA is a new metaheuristic inspired by a human collaborative problem solving approach. In this paper, the steps of applying FGOA to CSPs are elaborated. More precisely, a new diversification method is devised to enable the algorithm to efficiently find solutions to CSPs, by escaping local optimum. To assess the performance of the proposed Discrete FGOA (DFGOA) in practice, we conducted several experiments on randomly generate hard to solve CSP instances (those near the phase transition) using the RB model. The results clearly show the ability of DFGOA to successfully find the solutions to these problems in very reasonable amount of time. (More)

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Paper citation in several formats:
Bidar, M.; Mouhoub, M. and Sadaoui, S. (2020). Discrete Focus Group Optimization Algorithm for Solving Constraint Satisfaction Problems. In Proceedings of the 12th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART; ISBN 978-989-758-395-7; ISSN 2184-433X, SciTePress, pages 322-330. DOI: 10.5220/0008877803220330

@conference{icaart20,
author={Mahdi Bidar. and Malek Mouhoub. and Samira Sadaoui.},
title={Discrete Focus Group Optimization Algorithm for Solving Constraint Satisfaction Problems},
booktitle={Proceedings of the 12th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART},
year={2020},
pages={322-330},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008877803220330},
isbn={978-989-758-395-7},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 12th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART
TI - Discrete Focus Group Optimization Algorithm for Solving Constraint Satisfaction Problems
SN - 978-989-758-395-7
IS - 2184-433X
AU - Bidar, M.
AU - Mouhoub, M.
AU - Sadaoui, S.
PY - 2020
SP - 322
EP - 330
DO - 10.5220/0008877803220330
PB - SciTePress

- Science and Technology Publications, Lda.
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