Uncertain data mining: an example in clustering location data

  • Authors:
  • Michael Chau;Reynold Cheng;Ben Kao;Jackey Ng

  • Affiliations:
  • School of Business, The University of Hong Kong, Pokfulam, Hong Kong;Department of Computing, Hong Kong Polytechnic University, Kowloon, Hong Kong;Department of Computer Science, The University of Hong Kong, Pokfulam, Hong Kong;School of Business, The University of Hong Kong, Pokfulam, Hong Kong

  • Venue:
  • PAKDD'06 Proceedings of the 10th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining
  • Year:
  • 2006

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Abstract

Data uncertainty is an inherent property in various applications due to reasons such as outdated sources or imprecise measurement. When data mining techniques are applied to these data, their uncertainty has to be considered to obtain high quality results. We present UK-means clustering, an algorithm that enhances the K-means algorithm to handle data uncertainty. We apply UK-means to the particular pattern of moving-object uncertainty. Experimental results show that by considering uncertainty, a clustering algorithm can produce more accurate results.