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Grid technology is popular in science and business computing environment, with workflow the flexibility and applicability of the grid system can be greatly enhanced. Cost-effective scheduling of grid workflow applications represented by DAG (directed acyclic graph)is an essential and complex problem. In general such problem is NP-hard. In this paper, a novel heuristics, DSL (deadline segment leveling)...
With the development of computer network and multimedia technology, streaming media technology is getting more and more popular. Video conferencing system is one typical application of the streaming media. As the traditional video conferencing system adopts the C/S structure, the development and maintenance of it is rather difficult. In this paper, the combination of Flex and J2EE technology is introduced...
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