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Storm is a popular real-time processing system. However, our earlier experiment shows that the fixed configuration of Storm would lead to either significant resource waste or limited processing throughput. In this demonstration, we present AdaStorm, a system to dynamically adjust the Storm configuration according to current data stream properties. AdaStorm is designed to minimize the resource usage...
Since wind at the earth's surface has an intrinsically complex and stochastic nature, accurate wind power forecasts are necessary for the safe and economic use of wind energy. In this paper, we investigated a combination of numeric and probabilistic models: a Gaussian process (GP) combined with a numerical weather prediction (NWP) model was applied to wind-power forecasting up to one day ahead. First,...
With rapid increment of personal data amount, how to efficiently search personal dataspace (PDS) becomes an interesting and promising research topic. Popular methods include folder explorer, desktop search tools, and etc. Because these methods ignore user features, they fail to work well in some cases. For example, sometimes users expect to relocate a personal document based on some fuzzy memory clues,...
With increment of personal data amount, how to efficiently manage personal DataSpace(PDS) becomes a serious problem and a hot research topic. In PDS, users often expect to relocate some known items. Therefore how to efficiently identify these known items from a great number of objects becomes an important research issue. To the best of our knowledge, there is no existing works tackling this problem...
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