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Pervasive environments are becoming increasingly more popular due to the benefits of context-aware, user-centric service provisioning, despite their inherent challenges, i.e. dy-namicity, heterogeneity and complexity. In such environments, multiple applications with distinct network requirements run simultaneously over the same underlying networks. Serving as abstractions to the latter, P2P overlays...
Mobile Target Tracking is viewed as one of the primary applications in Wireless Sensor Networks (WSNs). Due to WSNs' special characteristics, there happens to be a trade-off between tracking accuracy and energy consumption. We propose an efficient multi-target tracking method in which the tracking task is switched between static clusters as the backbone of the network and dynamic clusters, which form...
In this paper we examine a popular network computational model (BSP: Bulk Synchronous Parallel) that has been adopted by the Google Pregel system to support large scale graph processing. We show that the synchronicity assumption made by the BSP model, while acceptable in data center like environments with strong and persistent network connectivity, can result in severe performance penalties in the...
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