摘要
为解决因决策表中存在不相容性导致的求核错误问题,提出一种将不相容决策表转化为相容决策表的定义形式。根据该定义创建可分辨矩阵,并给出求核方法,同时证明该方法获得的核与正区域的核是一致的。设计求核算法,该算法既适用于相容决策表,也适用于不相容的决策表。实例表明该算法是有效的。
In order to solve the problem of computing core error of inconsistent decision table,a definition of converting inconsistent decision table into consistent decision table is put forward.In the definition,the discernibility matrix is redefined,and a method of computing the core is presented.It is proved that the core acquired from the method is the core based on positive region,a new algorithm of computing core,which is suitable for consistent and inconsistent decision tables,is designed.Instance shows that the algorithm is correct.
出处
《计算机工程》
CAS
CSCD
北大核心
2010年第9期87-89,共3页
Computer Engineering
基金
安徽省自然科学基金资助项目(090412054)
安徽省高等学校省级自然科学研究基金资助项目(KJ2010B137)
安徽省高等学校优秀青年人才基金资助项目(2009SQRZ146)
关键词
不相容决策表
粗糙集
可分辨矩阵
核属性
inconsistent decision table
rough set
discernibility matrix
core attribute
