计算机科学 ›› 2012, Vol. 39 ›› Issue (1): 293-243.
• 人工智能 • 上一篇 下一篇
闰新宝,王国撤,张清华
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摘要: 若信息系统中所有的条件属性都是偏好有序的,则称此信息系统为有序信息系统。首先,分析了区间值有序信息系统没有蕴含属性值区间上的概率分布信息的缺点,建立了一种基于概率的有序信息系统。然后,在这种信息系统上,研究了关于单调偏好有序属性和非单调偏好有序属性的二元偏好关系,建立了一种基于概率的优势关系,定义了基于这种优势关系的粗糙集模型。最后研究了基于概率的有序决策表及其决策规则。
关键词: 区间值有序信息系统,概率,粗糙集,决策规则
Abstract: An information system is called an ordered information system if the domains of all condition attributes are ordered according preference. Firstly,the defects of interval-valued ordered information systems that do not include the probability distribution were analyzed and probability-based ordered information systems were proposed. Secondly, the approaches of establishing the outranking relation between objects with respect to attributes with monotonic preference and non-monotonic preference in probability-based ordered information systems were given respectively,and a probability-based dominance relation was defined, and the rough set model based on the probability-based dominance relation was presented. Finally, the probability-based ordered decision tables were defined, and the decision rules from probability-based ordered decision tables were researched.
Key words: Interval-valued ordered information systems, Probability, Rough sets, Decision rules
闰新宝,王国撤,张清华. 基于概率的有序信息系统[J]. 计算机科学, 2012, 39(1): 293-243. https://doi.org/
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