Experiments on Islands

Experiments on Islands
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岛屿实验

DOI:
10.1007/978-3-642-20407-4_21
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发表时间:
2011
期刊:
The 2003 Congress on Evolutionary Computation, 2003. CEC '03.
影响因子:
--
通讯作者:
M. Harwerth
M. Harwerth
中科院分区:
--
文献类型:
--
作者:
M. Harwerth

文献摘要

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使用分段种群(岛屿)已被证明有利于遗传规划(GP)。本文讨论了分割和迁移策略在线性遗传规划系统中的应用。除了重新审视迁移拓扑结构外,还提出了对迁移策略的修改——迁移延迟。研究发现,高度连接的拓扑结构比连接松散的拓扑结构具有更好的效果,并且迁移延迟可以进一步提高迁移效果。
The use of segmented populations (Islands) has proven to be advantageous for Genetic Programming (GP). This paper discusses the application of segmentation and migration strategies to a system for Linear Genetic Programming (LGP). Besides revisiting migration topologies, a modification for migration strategies is proposed -- migration delay. It is found that highly connected topologies yield better results than those with segments coupled more loosely, and that migration delays can further improve the effect of migration.