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| 基于D-S证据理论直接求代数约简和代数核 | |
| 引用本文： | 曾凡智,卢炎生,黄国顺,文翰.基于D-S证据理论直接求代数约简和代数核[J].中山大学学报(自然科学版),2011,50(5). |
| 作者姓名： | 曾凡智 卢炎生 黄国顺 文翰 |
| 作者单位： | 1. 佛山科学技术学院计算机系,广东佛山,528000 2. 华中科技大学计算机学院,湖北武汉,430074 3. 佛山科学技术学院理学院,广东佛山,528000 |
| 基金项目： | 广东省自然科学基金资助项目(10452800001004185) |
| 摘 要： | 针对不一致决策表，现有基于D-S证据理论的处理方法是将它先转化为一致决策表，再对所得的一致决策表计算其广义决策约简.具体算例研究表明，广义决策约简与代数约简有时并不一致.理论证明了广义决策约简仅与分配约简等价，针对不一致决策表,通过修改判断指标，提出一种基于D-S证据理论直接计算其代数约简和代数核的新方法，其正确性得到理论证明和数值算例的验证. |
| 关 键 词： | D-S证据理论 不一致决策表 广义决策约简 分配约简 代数约简 |
| 收稿时间： | 2011-03-08; |
A Direct Approach for Algebraic Reduction and Core Attributes based on D-S Evidence Theory |
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| ZENG Fanzhi,LU Yansheng,HUANG Guoshung,WEN Han.A Direct Approach for Algebraic Reduction and Core Attributes based on D-S Evidence Theory[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2011,50(5). | |
| Authors: | ZENG Fanzhi LU Yansheng HUANG Guoshung WEN Han |
| Institution: | ZENG Fanzhi1,LU Yansheng2,HUANG Guoshung3,WEN Han3 (1.Department of Computer Sciences,Foshan University,Foshan 528000,China,2.School of Computer Science and Technology,Huazhong University of Science and Technology,Wuhan City,430074,3.Science School,China) |
| Abstract: | For inconsistent decision table,the existing approaches based on D-S evidence theory have to transfer it into consistent one firstly and get a generalized decision reduction.However,the generalized decision reduction is different from algebraic one sometimes.It is proved that generalized decision reduction is just equivalent to assignment reduction whether the table consistent or inconsistent.Under D-S evidence theory,a new approach,which can directly get the algebraic reduction and core attributes for inco... |
| Keywords: | D-S evidence theory inconsistent decision table generalized decision reduction assignment reduction algebraic reduction |
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