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An Effective Ensemble Framework for Multiobjective Optimization
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DOI：10.1109/TEVC.2018.2879078.png)
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摘要
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This paper proposes an effective ensemble framework (EF) for tackling multiobjective optimization problems, by combining the advantages of various evolutionary operators and selection criteria that are run on multiple populations. A simple ensemble algorithm is realized as a prototype to demonstrate our proposed framework. Two mechanisms, namely competition and cooperation, are employed to drive the running of the ensembles. Competition is designed by adaptively running different evolutionary operators on multiple populations. The operator that better fits the problem's characteristics will receive more computational resources, being rewarded by a decomposition-based credit assignment strategy. Cooperation is achieved by a cooperative selection of the offspring generated by different populations. In this way, the promising offspring from one population have chances to migrate into the other populations to enhance their convergence or diversity. Moreover, the population update information is further exploited to build an evolutionary potentiality model, which is used to guide the evolutionary process. Our experimental results show the superior performance of our proposed ensemble algorithms in solving most cases of a set of 31 test problems, which corroborates the advantages of our EF.
Keyword:
Competitive evolution
cooperative selection
ensemble framework (EF)
multiobjective optimization
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12
论文数:
1.8K
被引数:
2.4W
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引用论文
An immune multi-objective optimization algorithm with differential evolution inspired recombination一种基于差分进化重组的免疫多目标优化算法
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