本文主要围绕不一致信息系统中基于粗糙集的方法进行了探讨，并取得了一些有意义的结果。
Enclosing the methods based on rough set in inconsistent information system some problems are discussed in this paper and some significative results obtained.
文章提出了一种基于粗糙集理论的文本分类方法。
This paper presents a rough set theory based on the text classification.
为了在故障诊断信息不一致的情况下提取简单有效的诊断规则，提出了一种基于粗糙集理论的决策规则提取方法。
In order to extract simple and effective diagnostic rales from inconsistent diagnostic information, an extraction method of decision rules for fault diagnosis based on rough set theory is proposed.
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