Weighted Association Rule Mining from Binary and Fuzzy Data

Authors:
M. Sulaiman Khan;Maybin Muyeba;Frans Coenen
Affiliations:
School of Computing, Liverpool Hope University, Liverpool, UK L16 9JD;School of Computing, Liverpool Hope University, Liverpool, UK L16 9JD;Department of Computer Science, University of Liverpool, Liverpool, UK L69 3BX
Venue:
ICDM '08 Proceedings of the 8th industrial conference on Advances in Data Mining: Medical Applications, E-Commerce, Marketing, and Theoretical Aspects
Year:
2008

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Abstract

A novel approach is presented for mining weighted association rules (ARs) from binary and fuzzy data. We address the issue of invalidation of downward closure property (DCP) in weighted association rule mining where each item is assigned a weight according to its significance w.r.t some user defined criteria. Most works on weighted association rule mining so far struggle with invalid downward closure property and some assumptions are made to validate the property. We generalize the weighted association rule mining problem for databases with binary and quantitative attributes with weighted settings. Our methodology follows an Apriori approach [9] and avoids pre and post processing as opposed to most weighted association rule mining algorithms, thus eliminating the extra steps during rules generation. The paper concludes with experimental results and discussion on evaluating the proposed approach.