Abdelkader Ouali

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Conceptual clustering combines two long-standing machine learning tasks: the unsupervised grouping of similar instances and their description by symbolic concepts. In this paper, we decouple the problems of finding descriptions and forming clusters by first mining formal concepts (i.e. closed itemsets), and searching for the best k clusters that can be(More)
Mobile ad hoc networks are a set of nodes that cooperate and communicate wirelessly. This kind of networks in easy to deploy because there is no need of any pre-existing infrastructure. Security in MANETs is a very important issue and it is hard to use conventional security techniques. Many approaches have been proposed to secure communication in MANETs;(More)
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