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Cloud computing is one of the platforms able to provide green computing solutions nowadays. Moreover, it is able to provide a high performance environment for scientific applications. However, if there is dependency between tasks, there may be a low utilization of the cloud. To address the problem, this paper presents new task schedulers for clouds aiming to achieve energy savings. Results of experiments...
Over time, data warehouse (DW) systems have become more difficult to develop because of the growing heterogeneity of data sources. Despite advances in research and technology, DW projects are still too slow for pragmatic results to be generated. Here, we address the following question: how can the complexity of DW development for integration of heterogeneous transactional information systems be reduced?...
Building mission critical applications and services (e.g. e-commerce) using process-oriented approaches has had successes and difficulties. These applications automated successfully the important frequent cases such as purchases, but the code needed for handling exceptions such as cancellations and failures tend to grow to disproportionate size and complexity. These difficulties lead to non-automated...
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