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Data mining is the process of extracting useful patterns or knowledge from large databases. However, data mining also poses a threat to privacy and information protection if not done or used properly. Therefore, researchers need to investigate data mining algorithm from a new point of view that is of personal privacy. Many algorithms have been developed to hide association rules discovered from a binary database. But in real applications, data mostly consists of quantitative values. In this paper, the authors thus propose a fuzzy association rules hiding algorithm for hiding rules discovered from a quantitative database. The proposed algorithm integrates the fuzzy set concepts and Apriori mining algorithm to find useful fuzzy association rules and then hide them using privacy preserving technique.
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