A variable radius niching technique for speciation in genetic algorithms
Gan, J. and Warwick, K. (2000) A variable radius niching technique for speciation in genetic algorithms. In: Proceedings of GECCO 2000, the 2nd Genetic and Evolutionary Computational Conference. Morgan-Kaufmann, pp. 96-103.
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In this paper, a continuation of a variable radius niche technique called Dynamic Niche Clustering developed by (Gan & Warwick, 1999) is presented. The technique employs a separate dynamic population of overlapping niches that coexists alongside the normal population. An empirical analysis of the updated methodology on a large group of standard optimisation test-bed functions is also given. The technique is shown to perform almost as well as standard fitness sharing with regards to stability and the accuracy of peak identification, but it outperforms standard fitness sharing with regards to time complexity. It is also shown that the technique is capable of forming niches of varying size depending on the characteristics of the underlying peak that the niche is populating.
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