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Aircraft MDO (Multidisciplinary Design Optimization) needs Grid technology because of complex process and time-consuming design. Specifically, aircraft MDO can benefit from Grid computing in terms of massive computational capacity and resource sharing. However, determining how to manage aircraft MDO processes and how to effectively apply grid technology into aircraft MDO remain as problems, which...
Task scheduling is one important job in Grid computing and also a hard and complex problem. We have quite a few algorithm of task scheduling in the past researches. Ant algorithm is a heuristic algorithm. The inherent parallelism and scalability make this algorithm meet the requirement of complex task scheduling in Grid computing.In this paper, we will propose an improved ant algorithm in our power...
With the increasing events monitored in sensor networks, it generates a vital amount of data which have to be stored for further retrieval and data analysis. Since sensor nodes are battery-powered and memory-constraint, it is necessary to design energy and storage efficient algorithms for query processing. In this paper, we propose a limited-cache approach to optimizing the storage problem. We apply...
Unlike convectional omni-directional sensors that always have an omni-angle of sensing range, directional sensors may have a limited angle of sensing range due to technical constraints or cost considerations. A directional sensor network consists of a number of directional sensors, which can switch to several directions to extend their sensing ability to cover all the targets in a given area. Power...
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