关键词: 数据挖掘, 关联规则, 兴趣项, 兴趣度, 模型

Abstract: The Apriori algorithm has some abuses，such as too many scans of the database，large load of system’s I/O and vast unrelated middle itemsets.This paper proposes an improved Apriori algorithm to overcome the abuses.The improved algorithm reduces the set of candidates and accelerates the speed of the algorithm by adding the interest items.Breaking the traditional steps of the algorithm to reduce the database scans and bring down the load of system’s I/O.The algorithm improves the readability of the strong association by constructing the model of the interest measure.Experimental results show that the algorithm can improve the speed and efficiency of operation effectively.

Key words: data mining, association rule, interest items, interest measure, model