Data mining is an important problem in KDD, and Rough set as a theory of set with fuzzy boundary is widely applied to infer classification rules from decision system.
数据挖掘是知识发现领域的一个重要问题，粗糙集理论是一种具有模糊边界的数据挖掘方法，它被广泛应用于决策系统的分类规则提取中。
This paper analysis three different kinds of improved algorithms based onthe K-NN classification:(1) Editing technique, (2) Boundary extraction, (3) Boundarypatching.
本文研究三种在近邻分类法基础上的改进算法：（1）编辑技术，（2）边界抽取，（3）边界补缀。
I gives the classification of simple boundary singularities under right equivalence.
给出了简单边界奇点在右等价下的分类。
Calculating the mean of each type of data points, and the two average points in a line segment, the segment with a vertical split line as the classification boundary.
计算每类数据的均值点，并且把两个均值点连成一线段，用垂直平分该线段的直线作为分类边界。
The study on the outer configuration of terrigenous sequence in Biyang fault depression includes sequence classification and boundary identification.
泌阳断陷陆相层序外部构型研究包括层序级别的厘定与划分以及界面的类型及其识别标志。
According to characteristics of, magnetic fied, the boundary of Junggar block was confined, and according to data of magnetic field, a new classification was done of the geotectonic divisions.
根据磁场特征圈出准噶尔地块边界。依据磁场资料重新划分了大地构造分区。
The Catalogue was prepared with toxicity indexes of the chemicals as the judging boundary. It does not change the existing classification of hazardous chemicals.
本目录是以化学品毒性指标作为判定界限而收录，不改变现行有关危险化学品的分类。
Science is not domain limited. No doctrine can rule over it, no social class or boundary can judge upon it, and there is no classification of it in terms of nobility.
科学没有领域的限制，科学不是教条，科学没有阶级与界限，更没有贵贱高下之分。
Science is not domain limited. No doctrine can rule over it, no social class or boundary can judge upon it, and there is no classification of it in terms of nobility.
科学没有领域的限制，科学不是教条，科学没有阶级与界限，更没有贵贱高下之分。
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