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JACIII Vol.17 No.4 pp. 511-519
doi: 10.20965/jaciii.2013.p0511
(2013)

Paper:

Relational Fuzzy c-Means and Kernel Fuzzy c-Means Using an Object-Wise β-Spread Transformation

Yuchi Kanzawa

Shibaura Institute of Technology, 3-7-5 Toyosu, Koto, Tokyo 135-8548, Japan

February 28, 2013
Accepted:
April 12, 2013
Published:
July 20, 2013
Keywords:
relational fuzzy clustering, kernel fuzzy clustering, non-Euclidean relational data, indefinite kernel, object-wise β-spread transformation
Abstract
Clustering methods of relational data are often based on the assumption that a given set of relational data is Euclidean, and kernelized clustering methods are often based on the assumption that a given kernel is positive semidefinite. In practice, non-Euclidean relational data and an indefinite kernel may arise, and a β-spread transformation was proposed for such cases, which modified a given set of relational data or a give a kernel Gram matrix such that the modified β value is common to all objects. In this paper, we propose an object-wise β-spread transformation for use in both relational and kernelized fuzzy c-means clustering. The proposed system retains the given data better than conventional methods, and numerical examples show that our method is efficient for both relational and kernel fuzzy c-means.
Y. Kanzawa, “Relational Fuzzy c-Means and Kernel Fuzzy c-Means Using an Object-Wise β-Spread Transformation,” J. Adv. Comput. Intell. Intell. Inform., Vol.17 No.4, pp. 511-519, 2013.
Data files:
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Last updated on Jun. 03, 2024