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Gradient boosting tree (GBT), a widely used machine learning algorithm, achieves state-of-the-art performance in academia, industry, and data analytics competitions. Although existing scalable systems which implement GBT, such as XGBoost and MLlib, perform well for datasets with medium-dimensional features, they can suffer performance degradation for many industrial applications where the trained...
In order to create a rapid, easy, and circulatory capabilities for multipurpose applications of remote sensing image, a network-oriented satellite remote sensing circulation architecture was proposed, and its key components was discussed in the same time. The client scheming and block data disposure were supplements to the integrity circulation architecture, conforming to which, clients can distribute...
With the rapid growth of requirements on satellite remote sensing image data, effective management and efficient publication of increasingly large image data has become an urgent problem. Based on the features of massive image data and Web publication, this paper does a deep research and a thorough discussion on multi-resolution pyramid model of global satellite remote sensing images, gives a reasonable...
With the development of grid service, there are two key problems to be improved. One is to access Web grid service with friend interface for user. Another is the security authentication for grid resource share. Nowadays, a solution of Web universal entrance for grid service has been given through a Web framework named grid portal. PKI based grid security infrastructure has been widely used in order...
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