Rough formal concepts are extracted based on formal context reduced.
在约简的形式背景的基础上抽取粗糙形式概念。
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；
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。
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