Learning improvement representations to accelerate evolutionary large-scale multiobjective optimization
Large-Scale multi-objective optimization problems present significant challenges to traditional evolutionary algorithms due to the exponentially increased search space and computational burden. To address these issues, we propose a novel framework that integrates improvement representation learning...
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| Published in: | Information sciences Vol. 705; p. 121973 |
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| Main Authors: | , , , , |
| Format: | Journal Article |
| Language: | English |
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01.07.2025
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| ISSN: | 0020-0255 |
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| Abstract | Large-Scale multi-objective optimization problems present significant challenges to traditional evolutionary algorithms due to the exponentially increased search space and computational burden. To address these issues, we propose a novel framework that integrates improvement representation learning into the evolutionary optimization process. It employs neural models to capture performance improvement patterns by learning from the transitions between suboptimal and superior solutions, which are then used to guide the generation of higher-quality offspring. These learnable evolutionary generators explore both the original search space and the learned representation space, enabling more effective navigation and accelerated convergence toward global optima. The proposed framework incorporates simulated binary crossover and differential evolution operators, ensuring adaptability to diverse problem landscapes. Comparative experiments on widely studied benchmark problems demonstrate that our approach achieves comparable cost in computational resources while delivering superior convergence efficiency and solution quality compared to state-of-the-art algorithms. This performance boost is particularly notable for benchmarks with up to 10,000 decision variables, where traditional methods often struggle. These results highlight the potential of combining evolutionary algorithms with representation learning to address the critical challenges of scaling-up optimizations.
•Learnable generators plus evolutionary algorithms to accelerate convergence.•Learning diverse improvement-based representations to enhance efficiency.•A comprehensive learnable evolutionary framework to enhance scalability. |
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| AbstractList | Large-Scale multi-objective optimization problems present significant challenges to traditional evolutionary algorithms due to the exponentially increased search space and computational burden. To address these issues, we propose a novel framework that integrates improvement representation learning into the evolutionary optimization process. It employs neural models to capture performance improvement patterns by learning from the transitions between suboptimal and superior solutions, which are then used to guide the generation of higher-quality offspring. These learnable evolutionary generators explore both the original search space and the learned representation space, enabling more effective navigation and accelerated convergence toward global optima. The proposed framework incorporates simulated binary crossover and differential evolution operators, ensuring adaptability to diverse problem landscapes. Comparative experiments on widely studied benchmark problems demonstrate that our approach achieves comparable cost in computational resources while delivering superior convergence efficiency and solution quality compared to state-of-the-art algorithms. This performance boost is particularly notable for benchmarks with up to 10,000 decision variables, where traditional methods often struggle. These results highlight the potential of combining evolutionary algorithms with representation learning to address the critical challenges of scaling-up optimizations.
•Learnable generators plus evolutionary algorithms to accelerate convergence.•Learning diverse improvement-based representations to enhance efficiency.•A comprehensive learnable evolutionary framework to enhance scalability. |
| ArticleNumber | 121973 |
| Author | Liu, Songbai Ma, Lijia Wang, Zeyi Chen, Jianyong Zhou, Xun |
| Author_xml | – sequence: 1 givenname: Songbai orcidid: 0000-0003-1048-4486 surname: Liu fullname: Liu, Songbai email: songbai@szu.edu.cn organization: College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, 518060, China – sequence: 2 givenname: Zeyi surname: Wang fullname: Wang, Zeyi email: wangzeyi2022@email.szu.edu.cn organization: College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, 518060, China – sequence: 3 givenname: Lijia surname: Ma fullname: Ma, Lijia email: ljma1990@szu.edu.cn organization: College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, 518060, China – sequence: 4 givenname: Jianyong surname: Chen fullname: Chen, Jianyong email: jychen@szu.edu.cn organization: College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, 518060, China – sequence: 5 givenname: Xun surname: Zhou fullname: Zhou, Xun email: xunzhou6-c@my.cityu.edu.hk organization: Department of Data Science and Artificial Intelligence, The Hong Kong Polytechnic University, Hong Kong |
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| Keywords | Large-scale multiobjective optimization Improvement representation learning Evolutionary algorithm |
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