This paper is mainly about the application of Rough Set in data reduction.
本文主要介绍Rough集的基本理论在数据约简中的应用。
参考来源 - Rough集理论在数据约简中的应用In data reduction part, an efficient secondary algorithm is presented that utilizes the merits of non-uniform grid method and surface curvature method.
数据精简方面,提出了将非均匀网格法与曲面曲率法相结合的二次精简算法。
参考来源 - 三维点云数据拼接与精简技术的研究Methods of data cleaning,data integration and transformation,and data reduction are discussed.
讨论数据清理、数据集成和变换、数据归约的方法。
参考来源 - 基于数据挖掘技术的海关执法评估系统的研究与开发The problems of data reduction of vector curve are discussed. Douglas-Peucher Algorithm is introduced,its advantages and disadvantages are pointed out.
讨论了矢量曲线数据压缩的问题,介绍了Douglas-Peucker法并指出了其优缺点。
参考来源 - 矢量曲线的特征点提取In order to reduce storage volume of database and garantee the accuracy, the data reduction algorithm is optimized to improve the efficiency and the accuracy of curve fitting.
为了在保障精度的基础上减少数据库的存储负荷,论文优化了海量数据约简算法,提高了数据约简效率和曲线拟合度。
参考来源 - 低成本列控系统轨道地图数据库生成方法与实现The data reduction was performed using the ESO-MIDAS package,including the extraction of one-dimensional spectrum and the measurements of equivalent widths.
数据处理使用欧洲南方天文台开发的MIDAS软件包,得到恒星的一维光谱和谱线的等值宽度。
参考来源 - 102颗银盘恒星的元素丰度分析·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Figure 2 illustrates this concept along with the method of data reduction.
图2介绍了这个概念，以及精简数据的方法。
Better allocation of the disk resources themselves will also help maximize data reduction.
更好地分配磁盘资源本身也将有助于最大限度地减少数据。
A common solution is data reduction, whereby the source data is reduced to require less physical space.
一个常见的解决方案就是数据简缩，即通过减少源数据来降低物理空间需求。
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