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1.In this paper,based on rough set theory and relational database,the relationship between rough relational database and fuzzy relational database is analyzed systematically from functional dependency,normal form and Armstrong axiom.
以粗糙集理论(Rough Set Theory)和关系数据库理论为基础,从函数依赖、范式理论、Armstrong公理等方面系统地研究了粗糙关系数据库(Rough Relational DataBase,简称RRDB)与模糊关系数据库(Fuzzy Relational DataBase,简称FRDB)之间的关系。收藏指正
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