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An Evolutionary Approach to Multiobjective Clustering

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2 Author(s)
Julia Handl ; Manchester Interdisciplinary Biocentre, Manchester Univ. ; Joshua Knowles

The framework of multiobjective optimization is used to tackle the unsupervised learning problem, data clustering, following a formulation first proposed in the statistics literature. The conceptual advantages of the multiobjective formulation are discussed and an evolutionary approach to the problem is developed. The resulting algorithm, multiobjective clustering with automatic k-determination, is compared with a number of well-established single-objective clustering algorithms, a modern ensemble technique, and two methods of model selection. The experiments demonstrate that the conceptual advantages of multiobjective clustering translate into practical and scalable performance benefits

Published in:

IEEE Transactions on Evolutionary Computation  (Volume:11 ,  Issue: 1 )