Abstract
Recently, evolutionary multitasking optimization (EMTO) is proposed as a new emerging optimization paradigm to simultaneously solve multiple optimization tasks in a cooperative manner. In EMTO, the knowledge transfer between tasks is mainly carried out through the assortative mating and selective imitation operators. However, in the literature of EMTO, little study on the selective imitation operator has yet been done to provide a deeper insight in the knowledge transfer across different tasks. Based on this consideration, we firstly study the influence of the inheritance probability (IP) of the selective imitation on an EMTO algorithm, multifactorial differential evolution (MFDE), through the experimental analysis. Then, an adaptive inheritance mechanism (AIM) is introduced into the selective imitation operator of MFDE to automatically adjust the IP value for different tasks at different evolutionary stages. The experimental results on a suite of single-objective multitasking benchmark problems have demonstrated the effectiveness of AIM in enhancing the performance of MFDE.
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Notes
- 1.
The results of the preliminary experimental studies on IP will be shown in Sect. 4.2.
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Acknowledgments
This work was supported in part by the Natural Science Foundation of Fujian Province of China (2018J01091), the National Natural Science Foundation of China (61572204, 61502184), the Postgraduate Scientific Research Innovation Ability Training Plan Funding Projects of Huaqiao University (18014083013), and the Opening Project of Guangdong Province Key Laboratory of Computational Science at the Sun Yat-sen University. The authors would like to express their deep gratitude to Prof. Y. S. Ong from School of computer science and engineering, Nanyang technological university (NTU), Singapore, for his patient guidance, and the Data Science and Artificial Intelligence Research Center at NTU for the support to our work.
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Peng, D., Cai, Y., Fu, S., Luo, W. (2020). Experimental Analysis of Selective Imitation for Multifactorial Differential Evolution. In: Pan, L., Liang, J., Qu, B. (eds) Bio-inspired Computing: Theories and Applications. BIC-TA 2019. Communications in Computer and Information Science, vol 1159. Springer, Singapore. https://doi.org/10.1007/978-981-15-3425-6_2
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DOI: https://doi.org/10.1007/978-981-15-3425-6_2
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