属性约简是粗糙集理论的核心内容。
第五章研究了信息系统的约简算法。
In chapter five: The reduction algorithms of information system were studied.
粗糙集理论的核心内容是知识约简。
Rough set theory is the core content of knowledge reduction.
一个重要的挑战是测试集约简。
将约简应用到了泛序系统中。
知识约简是粗糙集理论的重要研究内容。
Knowledge reduction is one of important issues in rough set theory.
论域约简是指对决策表对象集合的压缩。
Universe reduction refers to the compression of object set in decision table.
属性约简是粗糙集理论的核心内容之一。
Attributes reduction was one of the key problems in rough set theory.
属性约简是粗糙集理论中的一个研究重点。
Attribute reduction is a research focus in rough set theory.
因家里条件极差，他生活非常节约简朴。
Because of very poor home conditions, he lives a very simple life.
属性约简是粗糙集理论中的一个重要课题。
Reduction of attribute is another important subject in Rough Set theory.
属性约简是粗糙集用于数据分析的重要概念。
Attribute reduction is an important concept in rough sets data analysis.
本文主要研究基于粗集理论的属性约简算法。
This paper researches attributes reduction of Rough Set Theory.
知识约简是粗糙集理论研究中的重要内容之一。
Knowledge reduction is one of the important contents in the research on rough set theory.
数据约简是粗糙集理论中一个非常重要的研究课题。
Data reduction is one of important research issue in rough set theory.
因此，有必要对每一个镜头检测决策进行特征约简。
Therefore, it is necessary to perform feature reduction for every decision of the shot boundary.
属性约简问题是粗糙集理论中一个核心的研究课题。
Attribute reduction is a core subject in the domain of rough set theory.
知识约简后决策表的条件熵等于初始决策表的条件熵。
The conditional entropy of decision table will not change in the reduction process.
约简与核是粗集中的两个重要概念，它具有重要的应用。
Reduction and core are two important concepts and significantly applied in rough set.
实验结果表明该算法是有效的，能快速地进行属性约简。
The experimental results show that the algorithm is effective and fast.
解决这类问题的一般方法是采用启发式算法求出最优或次最优约简。
The common method to solve this problem is to adopt the heuristic algorithm.
解决这类问题的一般方法是采用启发式算法求出最优或次最优约简。
The common method to solve this problem is to adopt the heuristic algorithm.
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