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Cloud data centers are difficult to manage because providers have no knowledge of what applications are being run by customers or how they interact. As a consequence, current clouds provide minimal automated management functionality, passing the problem on to users who have access to even fewer tools since they lack insight into the underlying infrastructure. Ideally, the cloud platform, not the customer,...
Recently, there has been a growing interest in using wireless sensor networks for monitoring water distribution infrastructure to help drinking water utilities to have better understanding of hydraulic and water quality statement of their underground assets. One of the challenges is limited power resources for operating the smart sensors and sensor networks. Current common used power supplies for...
Real-time performance monitoring is an essential practice to enable sense-and-respond capability of enterprises. However, building a performance monitoring application is often arduous. We present a model-driven, systematic approach to performance monitoring based on an extended business artifact-centric process model. In this approach, business artifacts provide a means of tracking resource utilization...
In this paper, a pin pull test is introduced as an effective way to assess the PCB pad strength. The pad strength is evaluated by different level of strain, pad type, PCB life phase and accumulation effect of various stations. Finite element analysis (FEA) is employed to analyze whether the PCB material affects the pad strength. It is found that PCB pad strength is sensitive to the rework process,...
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