模式识别与人工智能
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模式识别与人工智能  2016, Vol. 29 Issue (11): 976-984    DOI: 10.16451/j.cnki.issn1003-6059.201611003
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序决策形式背景的规则提取及属性约简*
张菁,魏玲
西北大学 数学学院 西安 710127
Rules Acquisition and Attribute Reduction of Ordered Formal Decision Contexts
ZHANG Jing, WEI Ling
School of Mathematics, Northwest University, Xi'an 710127

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摘要 基于含有多值决策信息的决策形式背景,提出序决策形式背景的概念及其序决策概念格的相关理论,给出序决策概念格的决策规则及规则的置信度与支持度,并讨论决策规则在实际应用中的意义.在此基础上定义保持规则不变的属性约简,同时得到保持序决策概念格结构不变的属性约简方法.最后讨论序决策形式背景保持规则不变的约简与保持格结构不变的约简之间的关系.
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张菁
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关键词 序决策形式背景 序决策概念格 决策规则 属性约简    
Abstract:Based on the formal decision context containing multi-valued decision information, the concept of the ordered formal decision context and the correlated theory of ordered decision concept lattice are proposed. In addition, the decision rule of the ordered formal decision concept lattice as well as the confidence level and the support degree of the rule is given, and the significance of decision rules in the practical application is discussed. Furthermore, the rule-preserved attribute reduction is defined. Meanwhile, the attribute reduction method of ordered decision concept lattice structure preservation is obtained. Finally, the relationship between the rule preserved reduction and the lattice structure preserved reduction of the ordered formal decision context is discussed.
Key wordsOrdered Formal Decision Context    Ordered Decision Concept Lattice    Decision Rule    Attribute Reduction   
收稿日期: 2016-05-11     
ZTFLH: O 29  
  TP 18  
基金资助:国家自然科学基金项目(No.11371014,11071281)资助
作者简介: 张 菁,女,1990年生,硕士研究生,主要研究方向为形式概念分析、粗糙集理论.E-mail:jaimie1116_zhang@163.com.
魏 玲(通讯作者),女,1972年生,博士,教授,主要研究方向为形式概念分析、粗糙集理论.E-mail:wl0808@gmail.com.
引用本文:   
张菁,魏玲. 序决策形式背景的规则提取及属性约简*[J]. 模式识别与人工智能, 2016, 29(11): 976-984. ZHANG Jing, WEI Ling. Rules Acquisition and Attribute Reduction of Ordered Formal Decision Contexts. , 2016, 29(11): 976-984.
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