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An Adaptive Archive-Based Evolutionary Framework for Many-Task Optimization

delete2020-06-01
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PRE
AI
Y
Yongliang Chen
钟竞辉 (Jinghui Zhong) *
L
Liang Feng
张军 (Jun Zhang)
DOI:10.1109/TETCI.2019.2916051delete
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摘要

摘要

En 中文
Multi-task optimization is an emerging research topic in computational intelligence community. In this paper, we propose a novel evolutionary framework, many-task evolutionary algorithm (MaTEA), for many-task optimization. In the proposed MaTEA, a n adaptive selection mechanism is proposed to select suitable assisted task for a given task by considering the similarity between tasks and the accumulated rewards of knowledge transfer during the evolution. Besides, a knowledge transfer schema via crossover is adopted to exchange information among tasks to improve the search efficiency. In addition, to facilitate measuring similarity between tasks and transferring knowledge among tasks that arrive at different time instances, multiple archives are integrated with the proposed MaTEA. Experiments on both single-objective and multi-objective optimization problems have demonstrated that the proposed MaTEA can outperform the state-of-the-art multi-task evolutionary algorithms, in terms of search efficiency and solution accuracy. Besides, the proposed MaTEA is also capable of solving dynamic many-task optimization where tasks arrive at different time instances.
Keyword:
Evolutionary algorithm
multi-task optimization
many-task optimization
dynamic control
adaptive strategy
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期刊

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IEEE Transactions on Emerging Topics in Computational Intelligence
IF:
6.5
论文数:
1.4K
被引数:
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Chongqing University
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5.1W
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被引数: 6.0W
V
Victoria University
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3.2K
论文数: 3.8K
被引数: 22
S
south china university of technology
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6.8W
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被引数: 85
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