C3E: a framework for combining ensembles of classifiers and clusterers

  • Authors:
  • A. Acharya;E. R. Hruschka;J. Ghosh;S. Acharyya

  • Affiliations:
  • University of Texas at Austin;University of Texas at Austin and University of Sao Paulo at Sao Carlos, Brazil;University of Texas at Austin;University of Texas at Austin

  • Venue:
  • MCS'11 Proceedings of the 10th international conference on Multiple classifier systems
  • Year:
  • 2011

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Abstract

The combination of multiple classifiers to generate a single classifier has been shown to be very useful in practice. Similarly, several efforts have shown that cluster ensembles can improve the quality of results as compared to a single clustering solution. These observations suggest that ensembles containing both classifiers and clusterers are potentially useful as well. Specifically, clusterers provide supplementary constraints that can improve the generalization capability of the resulting classifier. This paper introduces a new algorithm named C3E that combines ensembles of classifiers and clusterers. Our experimental evaluation of C3E shows that it provides good classification accuracies in eleven tasks derived from three real-world applications. In addition, C3E produces better results than the recently introduced Bipartite Graph-based Consensus Maximization (BGCM) Algorithm, which combines multiple supervised and unsupervised models and is the algorithm most closely related to C3E.