Swarm optimized organizing map (SWOM): A swarm intelligence basedoptimization of self-organizing map

This work studies the optimization of SOM algorithm in terms of reducing its training time by the use of a swarm intelligence method, i.e. particle swarm optimization (PSO). Our novel algorithm optimizes SOM with PSO and reduces computational time of the training phase of SOM significantly. The perf...

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Bibliographic Details
Published in:Expert systems with applications 2009-09, Vol.36 (7), p.10640-10648
Main Authors: Özçift, Akın, Kaya, Mehmet, Gülten, Arif, Karabulut, Mustafa
Format: Article
Language:English
Subjects:
Biomedical datasets
Computational cost
Genomic pattern finding
Large data
Optimization
Particle swarm optimization
Self-organizing map
Training time reduction
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Summary:This work studies the optimization of SOM algorithm in terms of reducing its training time by the use of a swarm intelligence method, i.e. particle swarm optimization (PSO). Our novel algorithm optimizes SOM with PSO and reduces computational time of the training phase of SOM significantly. The performance of the algorithms has been tested with genomic datasets, biomedical datasets and an artificial dataset to show the efficiency of swarm optimized SOM, i.e. SWOM. The experimental comparison between SOM and SWOM, has demonstrated significant reduction in training time of SWOM with preservation of clustering quality.
ISSN:0957-4174
1873-6793
DOI:10.1016/j.eswa.2009.02.051