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— Traffic grooming techniques are used to combine low-speed data streams onto high-speed lightpaths with the objective of minimizing the network cost, or maximizing the network throughput. In this paper, we first present an efficient Integer Linear Program (ILP) formulation for traffic grooming on mesh WDM networks. Our formulation can be easily modified to(More)
Clustering gene expression data given in terms of time-series is a challenging problem that imposes its own particular constraints, namely exchanging two or more time points is not possible as it would deliver quite different results, and also it would lead to erroneous biological conclusions. We have focused on issues related to clustering gene expression(More)
Nodes in sensor networks are often prone to failure, particularly when deployed in hostile territories, where chances of damage/destruction are significantly higher. In many applications it is necessary to have some guarantees on the coverage, connectivity and lifetime of the sensor network. The network should also be able to adapt to single and/or multiple(More)