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With increasingly mature virtual machine (VM) technology, the compute resources provided by Cloud systems can be divided or isolated on demand under a payment model. By leveraging such a feature, we design and implement a cloud system that can optimize the overall performance of processing user requests which are made up of composite services. Specifically, we aim to minimize the response time ...

this paper proposes a stochastic framework for demand response (dr) aggregator to procure dr from customers and sell it to purchasers in the wholesale electricity market. the aggregator assigns fixed dr contracts with customers based on three different load reduction strategies. in the presented problem the uncertainty of market price is considered and the risk of aggregator participation is ma...

Purpose: Demand-Driven Distribution Resource Planning (DDDRP) has recently been proposed in the literature to deal with higher supply networks complexity, shorter customer tolerance times, and inaccurate forecasts. The DDDRP requires position inventory buffers critical network nodes, where level each buffer is replenished based on actual demands rather than demand This paper aims identify optim...

Abstract Student burnout is a serious problem in higher education. It associated with harmful consequences, such as decreased engagement, performance, and motivation, which can lead to dropout. The job demand-resource model of comprehensive framework grasp the factors related emergence burnout. Although numerous studies claim its suitability explaining work environments, applicability education...

This paper reviews the most recent and relevant research into the variability characteristics of wind and solar power resources in Europe. The background for this study is that wind and solar resources will probably constitute major components of the future European power system. Such resources are variable, and EU plans to balance the variability with more grids and demand response. Thus, plan...

The Patient Transport Service is a vital component of many healthcare systems. However, increasing demand and constrained resources impose great challenges, especially in Scotland where there is a substantial remote and rural population. This case study describes the development of a decision support tool for strategic resource allocation decisions. The tool had to be relevant to management's p...