Journal of Central South University

, Volume 18, Issue 3, pp 823–829 | Cite as

A new clustering algorithm for large datasets

  • Qing-feng Li (李清峰)Email author
  • Wen-feng Peng (彭文峰)


The Circle algorithm was proposed for large datasets. The idea of the algorithm is to find a set of vertices that are close to each other and far from other vertices. This algorithm makes use of the connection between clustering aggregation and the problem of correlation clustering. The best deterministic approximation algorithm was provided for the variation of the correlation of clustering problem, and showed how sampling can be used to scale the algorithms for large datasets. An extensive empirical evaluation was given for the usefulness of the problem and the solutions. The results show that this method achieves more than 50% reduction in the running time without sacrificing the quality of the clustering.

Key words

data mining Circle algorithm clustering categorical data clustering aggregation 


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Copyright information

© Central South University Press and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Qing-feng Li (李清峰)
    • 1
    • 2
    Email author
  • Wen-feng Peng (彭文峰)
    • 1
  1. 1.Department of Computer and Electronic EngineeringHunan University of CommerceChangshaChina
  2. 2.School of Information Science and EngineeringCentral South UniversityChangshaChina

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