This paper reinforces the formal definition of context lattice, provides some properties of formal contexts, and pro...
介绍了背景格的定义及其构造方法,并给出了背景格的若干性质以及完备性证明。
This paper reinforces the formal definition of context lattice, provides some properties of formal contexts, and proves that a context lattice is a complete lattice.
介绍了背景格的定义及其构造方法,并给出了背景格的若干性质以及完备性证明。
In a fixed formal context, the method to construct concept lattice by adding attributes step by step is investigated.
研究在给定的形式背景下,通过逐步添加属性建造概念格的方法。
Basing on the object oriented concept lattice and the attribute oriented concept lattice, this paper deals with approaches to attribute reduction in consistent decision formal context.
本文研究基于对象定向概念格和属性定向概念格协调决策形式背景属性约简的问题。
The paper gives an algorithm of obtaining all form concepts from the formal context based on the concept lattice theory. And then, to extract the implication rules from the lattice.
基于概念格理论提出了一种从形式背景中获得所有形式概念的算法,并根据构建的概念格提取蕴含规则。
The reduction algorithm of formal context that corresponding to concept lattice is extended.
对概念格对应的形式背景约简的算法加以扩展。
The concept lattice is an effective tool for data analysis and rule extraction, but as to the big formal context, some useful information may be submerged by the complex structure of the lattice.
概念格是数据处理和规则提取的重要工具。对于数据较大的形式背景,由于产生的概念格结构复杂,部分有用的信息将被这种复杂的结构所掩没。
Finally, an example analysis is done to prove the feasibility of concept lattice-based semantic structure matching model with the formal context through the attribute extraction.
最后通过实例进行分析,通过属性抽取算法提炼出形式背景,并验证基于概念格的语义匹配模型的有效性。
The data studied by concept lattice theory and rough set theory are expressed by information system and formal context respectively.
粗糙集理论的数据表现方式是信息系统,其研究基础是对象之间的等价关系;
It provides an approach for building relative reduced concept lattice and resolves the problem of lattice update caused by appending new attributes into an existing context of the lattice.
该算法不仅为相对约简格的构造提供了一种方法,还解决了在已构造好相对约简格的前提下,增加属性所带来的更新问题。
Secondly, we studies the reduction of a fuzzy concept lattice in a fuzzy context by employing the variable precision concept under various precisions.
第二部分利用变精度概念格研究不同精度下的模糊概念格约简。
Finally, the paper studies the relation between the reduction of formal context in concept lattice and attribute reduction in rough se...
最后给出了形式背景约简和划分约简之间的关系。
Accordingly, sub-lattice of the sub-context can be united to create a new lattice which is affiliate to the context created by the sub-contexts.
子形式背景可以进行纵向或横向合并得到一个新的形式背景,相反地,这个形式背景可以进行纵向或横向的拆分得到子形式背景。
Accordingly, sub-lattice of the sub-context can be united to create a new lattice which is affiliate to the context created by the sub-contexts.
子形式背景可以进行纵向或横向合并得到一个新的形式背景,相反地,这个形式背景可以进行纵向或横向的拆分得到子形式背景。
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