“sketching”的概念、定义、翻译、参考文献-科学参考

单词	sketching
释义	sketching Encyclopedia 理学流算法释 sketching略图构造略图构造（sketching）指的是利用略图设计流式算法（见流算法）的技巧。在设计流算法时，常常需要通过随机映射将数据流中的高维数据投影到在一个小的存储空间内作为概要，并基于该概要近似地回答有关整个数据流的特定查询。如果这个小空间存储的概要具有可合并性，则称其为一个略图。换言之，存在一个空间效率很高的算法将任意两个数据流的略图合并成一个关于整个数据流的略图。
随便看	Chinese Items in Editology and Publishing Studies Chinese ivy Chinese ixora Chinese Japanese Korean Unified Ideographs Chinese joint investment railway Chinese Journalism Education Society Chinese Journalism Yearbook Chinese Journalist Chinese Journal of Aeronautics Chinese Journal of Agrometeorology Chinese Journal of Animal Nutrition Chinese Journal of Applied Chemistry Chinese Journal of Astronomy and Astrophysics Chinese Journal of Biochemistry and Molecular Biology Chinese Journal of Biotechnology Chinese Journal of Chemical Engineering Chinese Journal of Child Health Care Chinese Journal of Chromatography Chinese Journal of Communication Chinese Journal of Experimental Traditional Medical Formulae Chinese Journal of Geology Chinese Journal of Geophysics Chinese Journal of Geotechnical Engineering Chinese Journal of Geriatrics Chinese Journal of Grassland

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