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Opportunistic networks are challenging mobile ad hoc networks characterised by frequent disconnections and partitioning. In this paper, the authors focus on data-dissemination services, i.e., cases in which data should be disseminated in the network without a priori knowledge about the set of intended destinations. They propose a general autonomic data-dissemination framework that exploits information about the users' context and social behaviour, to decide how to replicate and replace data on nodes' buffers. Furthermore, their data-dissemination scheme explicitly takes into account resource constraints, by jointly considering the expected utility of data replication and the associated costs.
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