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Rice-wheat rotation is one of the principal planting patters of rice and wheat in China. Research on mechanical production model and economic benefit of rice-wheat rotation can further optimize the production model. The paper defined rice-wheat rotation region of China and divided the region into three parts including developed area in the east coastal, major grain producing area in midland, less-developed...
The performance of multi-service applications are known to be determined mainly by the interactions between workload and behaviors of the application. The change of workload can lead to dynamic service demands on system resources, and even cause dynamic bottleneck switches between services inside the application. In this paper, to profiling large-applications' behaviors, and help to locate the bottleneck...
According to the actual requirements of telecommunications enterprises customer segmentation, in this paper an improved K-Means algorithm was introduced. The algorithm was used to initialize cluster center in the cluster analysis phase of Data Mining technology. The experimental results proved that the novel algorithm has greater improvement than the original one in efficiency and accuracy. The results...
E-business systems, like Web based systems, usually use application server (AS) to support remote communication between heterogeneous systems. AS will certainly introduce great performance impacts to them transparently. This paper provides an impacts separation framework to automatically include these impacts into the application architecture. AS impacts are separated into isolated aspects and stored...
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