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- W2762281330 abstract "Many-objective optimization problems (MaOPs) are vital and challenging in real-world applications. Existing evolutionary algorithms mostly produce an approximate Pareto-optimal set using new dominance relations, dimensionality reduction, objective decomposition, and set-based evolution. In this paper, we propose a mutation operator guided by preferred regions to improve an existing set-based evolutionary many-objective optimization algorithm that integrates preferences. In the proposed mutation operator, optimal solutions in a preferred region are first chosen to form a reference set; then for each solution within the individual to be mutated, an optimal solution from the reference set is specified as its reference point; finally, the solution is mutated towards the preferred region via an adaptive Gaussian disturbance to accelerate the evolution, and thus an approximate Pareto-optimal set with high performances is obtained. We apply the proposed method to 21 instances of seven benchmark MaOPs, and the experimental results empirically demonstrate its superiority." @default.
- W2762281330 created "2017-10-20" @default.
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- W2762281330 date "2017-10-03" @default.
- W2762281330 modified "2023-10-16" @default.
- W2762281330 title "A mutation operator guided by preferred regions for set-based many-objective evolutionary optimization" @default.
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- W2762281330 doi "https://doi.org/10.1007/s40747-017-0058-4" @default.
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