Stochastic dominance-based interval-valued information systems

Abstract

Abstract: The distribution function is introduced to interval-valued information systems. And the stochastic dominance-based interval-valued information system is proposed. The α-stochastic dominance relation is constructed in inter-valued information system. The α-stochastic dominance relation is calculated by the Lévy distance and some numerical examples are shown for the efficiency of the method.

Key words: stochastic dominance, interval-valued information system, rough set

摘要： 在区间值信息系统中引入了分布函数，得到了基于随机优势关系的区间值信息系统，构造了区间值信息系统的α-随机优势关系。利用Lévy距离，对α-随机优势关系进行了计算，实例说明了方法的有效性。

关键词: 随机优势, 区间值信息系统, 粗糙集

DUAN Jingjing, WEI Lili. Stochastic dominance-based interval-valued information systems[J]. Computer Engineering and Applications, 2014, 50(18): 85-88.

段晶晶，魏立力. 基于随机优势关系的区间值信息系统[J]. 计算机工程与应用, 2014, 50(18): 85-88.

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Stochastic dominance-based interval-valued information systems

基于随机优势关系的区间值信息系统

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