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Cloud computing is on demand as it offers dynamic flexible resource allocation for reliable and guaranteed services in a pay-as-you-use manner to public. In cloud computing, a cloud resource consumer can request a number of cloud resources simultaneously. So there must be a provision that all resources are made available to requesting cloud resource consumers in an efficient manner to satisfy their...
Because of the inherent complexities and strategic impacts of BOT (build-operate-transfer) projects call for careful concessionaire selection methodologies. Selection of the right concessionaire, which is critical to the success of such BOT projects, depends on the quality of identifying and defining suitable project-specific criteria and the quality of formulating an efficient tender evaluation methodology...
This paper focuses on communication security of e-commerce. A secure electronic transaction model was designed, with the designs of security protocols of transactions for each process in detail, and the advantages was pointed out. In the design process, the security protocol proposed in this paper is not confined to a particular electronic trading system itself. This model has a wide range of practical...
The article starting with the performance evaluation's objectives of universities' governmental science and technology investment, determine basic principles of performance evaluation and build appraisal system according to the item features of universities' government S&T investment. Assess and sort the performance from the year 2003 to 2008 by DEA Super which based on complete envelopment surface,...
The topic of tuition fees has recently sparked heated discussions in various media. Based on China's national conditions, this article collected elevant data, such as national student average funding, training costs, household disposable income and did the quantitative analysis for tuition standards of several types of schools, then built a Multi-level fuzzy evaluation model, which regarded the tuition...
This Individualpsilas representative activity-travel pattern is the foundation of analyzing travel time, space and mode. Based on the actual data of 2004psilas resident trip survey in one metropolis of north China, by using the systematic cluster analysis, thousands of citizens are divided into groups with representative activity-travel patterns according to representative social-economic attributes...
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