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本文以容差关系为基础,使用属性值上的容差关系给出了不完备信息系统的粒表示、粒运算规则和粒分解算法,同时结合粗集中的属性约简问题,提出了不完备信息系统在粒表示下属性必要性的判定条件,并给出了严格的证明.
基于容差关系的粒度模型
【摘 要】
：
本文以容差关系为基础,使用属性值上的容差关系给出了不完备信息系统的粒表示、粒运算规则和粒分解算法,同时结合粗集中的属性约简问题,提出了不完备信息系统在粒表示下属性
【机 构】
：
重庆邮电学院计算机科学与技术研究所(重庆)
【出 处】
：
第四届中国Rough集与软计算学术研讨会
【发表日期】
：
2004年10期
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