Bugingo Emmanuel

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This paper focuses on the problem of scheduling a workflow onto a set of heterogeneous resources with stochastic model of task execution times and communication times. With understanding that deterministic scheduling heuristics can seldom perform well in such a stochastic model, we extend a well-known deterministic heuristic and propose a novel randomized(More)
Nowadays cloud service providers usually offer users virtual machines with various combinations of configurations and prices. As this new service scheme emerges, the problem of choosing the cost-minimized combination under a deadline constraint is becoming more complex for users. The complexity of determining the cost-minimized combination may be resulted(More)
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