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The characterization of distributed n-tier application performance is an important and challenging problem due to their complex structure and the significant variations in their workload. Theoretical models have difficulties with such wide range of environmental and workload settings. Experimental approaches using manual scripts are error-prone, time(More)
An Efficient Genetic Algorithm(EGA) proposed in this paper was aiming to high-dimensional function optimization. To generate multiple diverse solutions and to strengthen local search ability, the new subspace crossover and timely mutation operators improved by us will be used in EGA. The combination of the new operators allow the integration of(More)
Information integration, interoperability and adaptation to evolving data are the key components of clinical information system with high potential impact. Most existing systems accomplish integration and interoperability by employing specific data model standards with static mapping rules that makes system inflexible and inextensible. In response to this(More)
In recent years, traditional computing systems face the problems of scalability as the need for information processing services is ever increasing. Grid, as a pool of computing resources, solves the problem in some degree by providing an integrated computing and resources environment. Thus, there emerge many strategies related to grid resource allocation(More)
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