A sampling approach for data mining of association rules

Details A sampling approach for data mining of association rules A sampling approach for data mining of association rules

G - Physics

06

F

G06F 17/30 (2006.01) G06F 17/18 (2006.01)

Patent

CA 2459758

The current invention relates to a data mining technology for determining association rules within a multitude of N transactions each transaction comprising up to p different items. According to the invention a sample size n of the multitude of N transactions is determined based on precision requirements. The sample size n is chosen such, that it is at least in the order of magnitude of an estimated sample size n*. Finally association rules are computed based on a sample of the multitude of N transactions with sample size n according to any methodology for mining of association rules using the association rules as estimated association rules of the multitude of N transactions.

L'invention concerne une technologie d'exploration de données destinée à déterminer des règles d'association à l'intérieur d'une multitude de transactions N, chaque transaction comprenant jusqu'à p différents articles. Selon l'invention, une taille d'échantillon n de la multitude de transactions N est déterminée sur la base d'exigences de précision. La taille d'échantillon n est choisie de manière qu'elle soit au moins de l'ordre de grandeur d'une taille d'échantillon estimée n*. Enfin, les règles d'association sont calculées sur la base d'un échantillon de la multitude de transactions N avec la taille d'échantillon n en fonction des méthodologies d'exploration des règles d'association au moyen de ces règles de la même manière que les règles d'association estimées de la multitude de transactions N.

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