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A cooperative swarm intelligence algorithm for multi-objective discrete optimization with application to the knapsack problem
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DOI：10.1016/j.ejor.2017.06.058.png)
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tion problems (MODP). Our algorithm combines a firefly algorithm (FA) and a particle swarm optimization (PSO). Basically, we address three main points: the effect of FA and PSO cooperation on the exploration of the search space, the discretization of the two algorithms using a transfer function, and finally, the use of the epsilon dominance relation to manage the size of the external archive and to guarantee the convergence and the diversity of Pareto optimal solutions. We compared the results of our algorithm with the results of five well-known meta-heuristics on nine multi-objective knapsack problem benchmarks. The experiments show clearly the ability of our algorithm to provide a better spread of solutions with a better convergence behavior. (C) 2017 Elsevier B.V. All rights reserved.
Keyword:
Multi-objective discrete optimization
Firefly algorithm
Particle swarm optimization
Transfer function
Knapsack problem
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6
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被引数:
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