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The 9th IEEE International Conference on E-Commerce Technology and The 4th IEEE International Conference on Enterprise Computing, E-Commerce and E-Services (CEC-EEE 2007)
Dependency of Constrained Clustering of Transaction Data on Known Data Distribution
National Center of Sciences, Tokyo, Japan
July 23-July 26
ISBN: 0-7695-2913-5
Hui-Chu Chang, National Taiwan University
Ming-Syan Chen, National Taiwan University
Most well-known partitioning clustering algorithms adopt an iterative procedure to converge to the stable status. One problem is that the quality of clustering and execution time is especially sensitive to initial conditions (e.g. initial cluster centers and cluster number). In addition, the method used to measure similarity between two transaction data is also an important factor. In general, the similarity method is established in advance and usually employs metric-based distance measuring, which does not consider the variation in the content. The disadvantage is that an analyst is unable to modify the measuring method to suit the need of a particular analysis. In this paper, therefore, we propose a novel constrained clustering algorithm called CCKD (short for Constrained Clustering depend on Known data Distribution). With CCKD, the analyst is able to specify the constrains for measuring similarity that set conditions on capturing clusters. In addition, our empirical results indicate that CCKD is an effective and stable algorithm without any iterative procedure.
Citation:
Hui-Chu Chang, Ming-Syan Chen, "Dependency of Constrained Clustering of Transaction Data on Known Data Distribution," cec-eee, pp.73-79, The 9th IEEE International Conference on E-Commerce Technology and The 4th IEEE International Conference on Enterprise Computing, E-Commerce and E-Services (CEC-EEE 2007), 2007
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