According to rough set theories, this paper puts forward a conception of the degree of credibility between objects and rules, and attempts to present a related relation prediction method.
本文基于粗糙集理论给出了对象与规则可信度的概念，提出了一种经济系统中相关关系预测法。
Based on rough set and mathematic statistics theories, the state evaluation model for mine ventilation system is proposed.
提出了一种基于粗糙集和数理统计理论的矿井通风系统状态评估模型。
Rough set theory is one of the most prosperous tools and theories that have already been successfully applied to resolve some specific problems in KDD process.
众多的理论和工具都已经成功地应用于解决KDD过程中的某些具体问题，粗集理论是其中最具发展前景的工具之一。
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