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一种用于模糊划分问题的岛屿分组遗传算法。

An island grouping genetic algorithm for fuzzy partitioning problems.

作者信息

Salcedo-Sanz S, Del Ser J, Geem Z W

机构信息

Department of Signal Processing and Communications, Universidad de Alcalá, 28871 Madrid, Spain.

OPTIMA Area, Tecnalia Research & Innovation, 48170 Bizkaia, Spain.

出版信息

ScientificWorldJournal. 2014;2014:916371. doi: 10.1155/2014/916371. Epub 2014 May 22.

DOI:10.1155/2014/916371
PMID:24977235
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4055530/
Abstract

This paper presents a novel fuzzy clustering technique based on grouping genetic algorithms (GGAs), which are a class of evolutionary algorithms especially modified to tackle grouping problems. Our approach hinges on a GGA devised for fuzzy clustering by means of a novel encoding of individuals (containing elements and clusters sections), a new fitness function (a superior modification of the Davies Bouldin index), specially tailored crossover and mutation operators, and the use of a scheme based on a local search and a parallelization process, inspired from an island-based model of evolution. The overall performance of our approach has been assessed over a number of synthetic and real fuzzy clustering problems with different objective functions and distance measures, from which it is concluded that the proposed approach shows excellent performance in all cases.

摘要

本文提出了一种基于分组遗传算法(GGA)的新型模糊聚类技术,分组遗传算法是一类经过特别修改以解决分组问题的进化算法。我们的方法基于一种为模糊聚类设计的分组遗传算法,该算法通过个体的新颖编码(包含元素和聚类部分)、新的适应度函数(对戴维斯·布尔丁指数的改进)、专门定制的交叉和变异算子,以及基于局部搜索和并行化过程的方案(灵感来自基于岛屿的进化模型)。我们的方法在多个具有不同目标函数和距离度量的合成和实际模糊聚类问题上进行了评估,结果表明该方法在所有情况下均表现出优异的性能。

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