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Multi-Objective Fish School Search

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  • Carmelo J. A. Bastos-Filho

    (University of Pernambuco, Recife, Brazil)

  • Augusto C. S. Guimarães

    (University of Pernambuco, Recife, Brazil)

Abstract

The authors propose in this paper a very first version of the Fish School Search (FSS) algorithm for Multi-Objective Optimization. The proposal allows the optimization of problems with two or more conflicting objectives. The authors incorporated the dominance concept within the traditional FSS operators, creating a new approach called Multi-objective Fish School Search, MOFSS. They also adapted the barycenter concept deployed in the original FSS, which was replaced by the set of existing solutions in an external archive created to store the non-dominated solutions found during the search process. From their results in the DTLZ set of benchmark functions, the authors observed that the MOFSS obtained a similar performance when compared to well-known and well-established multi-objective swarm-based optimization algorithms. They detected some convergence problems in functions with a high number of local Pareto fronts. However, adaptive schemes can be used in future work to overcome this weakness.

Suggested Citation

  • Carmelo J. A. Bastos-Filho & Augusto C. S. Guimarães, 2015. "Multi-Objective Fish School Search," International Journal of Swarm Intelligence Research (IJSIR), IGI Global, vol. 6(1), pages 23-40, January.
    • Handle: RePEc:igg:jsir00:v:6:y:2015:i:1:p:23-40
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