Computer Engineering and Applications ›› 2013, Vol. 49 ›› Issue (17): 121-124.

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Interval value information system concept lattice reduction method

LIU Dong   

  1. Department of Applied Mathematics, College of Science, Chang’an University, Xi’an 710062, China
  • Online:2013-09-01 Published:2013-09-13


刘  冬   

  1. 长安大学 理学院 应用数学系,西安 710062

Abstract: Interval value information system is a special information system that the attribute value is in the form of interval value. In this paper, the definitions of 0-1 form background and the corresponding concept lattice are described. Then the decision theorem of coordinate set and the equal proposition of reduction set are given. It introduces the discernibility attribute matrix, researches on theoretical method of interval value information system based on concept lattice attribute reduction.

Key words: interval value information system, formal context, concept lattice , discernibility matrix, attribute reduction, reduction set

摘要: 区间值信息系统是属性值取值为区间值形式的一种特殊信息系统。通过把区间值信息系统转化为0-1形式背景,利用概念格属性约简方法,区间值信息系统协调集的判定定理,并引入可辨识属性矩阵,研究区间值信息系统上基于概念格属性约简的理论方法。

关键词: 区间值信息系统, 形式背景, 概念格, 可辨识属性矩阵, 属性约简, 约简集