Association rule variation with respect to time

  • Authors:
  • Monica H. Ou;Jérôme Maillot

  • Affiliations:
  • Curtin University of Technology, Perth, Australia;Paris, France

  • Venue:
  • Proceedings of the CUBE International Information Technology Conference
  • Year:
  • 2012

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Abstract

Effective data mining techniques are crucial for analysing and extracting useful information from large datasets. The aim of this research is to investigate different techniques for detecting the variation in association rules over time. Analysing the rules instead of the large datasets allows one to have a better understanding of the overall trend of the entire database. In this paper, we propose a methodology to extract and categorise rules from a time driven database. We develop metrics to identify the level of variation for each rule and the entire rule set over a certain time period. The metrics exploit multi-resolution techniques to improve computational performance. In our experiment, we apply the proposed methods to different sets of simulated data. We demonstrate how simple patterns can be detected in more complex datasets. Additionally, we illustrate how these patterns can be rapidly identified using a graphical representation.