Performance scalability of a cooperative coevolution Multiobjective Evolutionary Algorithm

Tse , Guan Tan and Teo, Jason Tze Wi and Hui, Keng Lau (2007) Performance scalability of a cooperative coevolution Multiobjective Evolutionary Algorithm. In: 2007 International Conference on Computational Intelligence and Security (CIS'07), 15-19 December 2007, Harbin, Heilongjiang, China.

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Official URL: http://dx.doi.org/10.1109/CIS.2007.181

Abstract

Recently, numerous Multiobjective Evolutionary Algorithms (MOEAs) have been presented to solve real life problems. However, a number of issues still remain with regards to MOEAs such as convergence to the true Pareto front as well as scalability to many objective problems rather than just bi-objective problems. The performance of these algorithms may be augmented by incorporating the coevolutionary concept. Hence, in this paper, a new algorithm for multiobjective optimization called SPEA2-CC is illustrated. SPEA2-CC combines an MOEA, Strength Pareto Evolutionary Algorithm 2 (SPEA2) with Cooperative Coevolution (CC). Scalability tests have been conducted to evaluate and compare the SPEA2-CC against the original SPEA2 for seven DTLZ test problems with a set of objectives (3 to 5 objectives). The results show clearly that the performance scalability of SPEA2-CC was significantly better compared to the original SPEA2 as the number of objectives becomes higher. © 2007 IEEE.

Item Type:Conference Paper (UNSPECIFIED)
Uncontrolled Keywords:Algorithms, Artificial intelligence, Convergence of numerical methods, Intelligent control, Multiobjective optimization, Scalability, Security of data, Testing Computational intelligence, Cooperative co-evolution, International conferences, Multi objectives, Multi-objective evolutionary algorithm, Multi-objective evolutionary algorithms, New algorithm, Pareto fronts, Performance scalability, Real-life problems, Scalability tests, Strength Pareto evolutionary algorithm, Test problems
Subjects:?? QA150-272.5 ??
Divisions:SCHOOL > School of Engineering and Information Technology
ID Code:2791
Deposited By:IR Admin
Deposited On:18 Apr 2011 12:10
Last Modified:29 Dec 2014 16:35

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