2017
DOI: 10.1007/s10732-016-9322-9
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Reference sharing: a new collaboration model for cooperative coevolution

Abstract: Cooperative coevolutionary algorithms have been a popular and effective learning approach to solve optimization problems through problem decomposition. However, their performance is highly sensitive to the degree of problem separability. Different collaboration mechanisms usually have to be chosen for particular problems. In the paper, we aim to design a collaboration model that can be successfully applied to a wide range of problems. We present a novel collaboration mechanism that offers this type of potentia… Show more

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Cited by 18 publications
(15 citation statements)
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“…Among the papers reviewed, the majority of the papers focused on FS and IS together; only a couple of papers addressed the FS problem. The performance of the CCEA mostly depends on the decomposition methods, optimizers, and collaboration techniques [50]. Hence, CCEA based optimizations are still unexplored in many areas and need to be investigated.…”
Section: Number Of Objectivesmentioning
confidence: 99%
“…Among the papers reviewed, the majority of the papers focused on FS and IS together; only a couple of papers addressed the FS problem. The performance of the CCEA mostly depends on the decomposition methods, optimizers, and collaboration techniques [50]. Hence, CCEA based optimizations are still unexplored in many areas and need to be investigated.…”
Section: Number Of Objectivesmentioning
confidence: 99%
“…A decomposition strategy is used to decompose a complex problem into several sub-problems based on the structure of the problem (i.e., separable or non-separable problem) with appropriate granularity (Shi & Gao, 2017). The decomposition strategies are classified as static (decomposes a problem before the evolutionary process starts and decomposed sub-problems are fixed (Bucci & Pollack, 2005)) or dynamic (decomposes a problem at the beginning, but sub-problems have the ability to self-adaptively tune to proper collaboration levels at the time of evolutionary process (…”
Section: Problem Decompositionmentioning
confidence: 99%
“…Once the decomposition is performed, each sub-problem is assigned to a population and an evolutionary optimizer (the same or different) is used to evolve them. Evolutionary processes (initialization, fitness evaluation, selection, recombination, mutation, and survivor selection) are performed by populations independently (Shi & Gao, 2017). Sub-problems are evolved sequentially (only one population performs the evolutionary process per generation, while other populations are frozen (Potter, 1997)) or in parallel (all populations perform the evolutionary processes per generation concurrently (Wiegand, 2004).…”
Section: Sub-problems Evolutionmentioning
confidence: 99%
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