Fuzzy Kohonen clustering networks for interval data

  • Authors:
  • Carlos W. D. De Almeida;Renata M. C. R. De Souza;Ana L. B. Candeias

  • Affiliations:
  • Centro de Informática - CIn, Universidade Federal de Pernambuco, Av. Jornalista Anibal Fernandes, s/n - Cidade Universitária 50.740-560, Recife (PE), Brazil;Centro de Informática - CIn, Universidade Federal de Pernambuco, Av. Jornalista Anibal Fernandes, s/n - Cidade Universitária 50.740-560, Recife (PE), Brazil;Depto. de Engenharia Cartográfica - CTG, Universidade Federal de Pernambuco, Av. Acad. Hélio Ramos, s/n - Cidade Universitária 50.740-560, Recife (PE), Brazil

  • Venue:
  • Neurocomputing
  • Year:
  • 2013

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Abstract

The Fuzzy Kohonen Clustering Network combines the idea of fuzzy membership values for learning rates. It is a kind of self-organizing fuzzy neural network that can show great superiority in processing the ambiguity and the uncertainty of data sets or images. Symbolic data analysis provides suitable tools for managing aggregated data described by intervals. This paper introduces Fuzzy Kohonen Clustering Networks for partitioning interval data. The first network is based on a fixed Euclidean distance for interval and the second one considers weighted distances that change at each iteration, but are different from one cluster to another. Experiments with real and synthetic interval data sets demonstrate the usefulness of these networks.