Computer Science – Databases
Scientific paper
2011-12-27
Computer Science
Databases
18 pages, 3 figures; 7 \`eme journ\'ees Francophones sur les Entrep\^ots de donn\'ees et l'Analyse en ligne (EDA'2011)
Scientific paper
The online analytical processing (OLAP) does not provide any explanation of correlations discovered between data. Thus, the coupling of OLAP and data mining, especially association rules, is considered as an efficient solution to this problem. In this context, we mainly focus on a particular class of association rules which is the cyclic association rules. These rules aimed to discover patterns that display regular variation over user-defined intervals. Generally,the generated patterns do not take an advantage from the specificities of the multidimensional context namely, the consideration of the measures and their aggregations. In this paper, we introduce a novel method for extracting cyclic association rules from measures, and we redefine the evaluation metrics of association rules quality inspired of the temporal summarizability of measures concept through the integration of appropriate aggregation functions. To prove the usefulness of our approach, we conduct an empirical study on a real data warehouse.
Ahmed Eya Ben
Gargouri Faïez
Nabli Ahlem
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