On discrete data clustering

Authors:
Nizar Bouguila;Walid ElGuebaly
Affiliations:
CIISE, Faculty of Engineering and Computer Science, Concordia University, Montreal, Qc, Canada;CIISE, Faculty of Engineering and Computer Science, Concordia University, Montreal, Qc, Canada
Venue:
PAKDD'08 Proceedings of the 12th Pacific-Asia conference on Advances in knowledge discovery and data mining
Year:
2008

Citing 7
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Abstract

Finite mixture modeling have been applied for different data mining tasks. The majority of the work done concerning finite mixture models has focused on mixtures for continuous data. However, many applications involve and generate discrete data for which discrete mixtures are better suited. In this paper, we investigate the problem of discrete data modeling using finite mixture models. We propose a novel mixture that we call the multinomial generalized Dirichlet mixture. We designed experiments involving spatial color image databases modeling and summarization to show the robustness, flexibility and merits of our approach.