| 定性贝叶斯网络中归并计算的进一步探讨及应用 |
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| 引用本文： | 崔春生.定性贝叶斯网络中归并计算的进一步探讨及应用[J].科学技术与工程,2009,9(23). |
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| 作者姓名： | 崔春生 |
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| 作者单位： | 1. 北京理工大学管理与经济学院,北京,100081;河南财经学院信息学院,郑州,450002
2. 北京理工大学管理与经济学院,北京,100081 |
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| 基金项目： | 河北省教育厅计划基金项目 |
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| 摘 要： | 在定性贝叶斯网络符号传播算法的基础上,根据实际问题的需要提出了算法中归并运算的改进方法.改进中区分汇连形式各原因节点的逻辑关系,进而提出逻辑或关系在归并过程中应当采用⊕算子,逻辑与关系采用算子的结论,并通过案例验证了结论在一定范围内的正确性.
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| 关 键 词： | 定性贝叶斯网络 符号传播算法 归并计算 |
| 收稿时间： | 2009/9/17 0:00:00 |
| 修稿时间： | 2009/9/17 0:00:00 |
Further Researches and Application of Composition Process in Qualitative Bayesian |
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| Cui chunsheng.Further Researches and Application of Composition Process in Qualitative Bayesian[J].Science Technology and Engineering,2009,9(23). |
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| Authors: | Cui chunsheng |
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| Abstract: | Abstract: Based on the sign-propagation algorithm of qualitative Bayesian networks, an improved composition algorithm is proposed according to actual situation. Two different logic relations of cause-node, logic-or and logic-and, are distinguished. Logic-or relation should use -operator in the composition process while logic-and should use -operator. An example is given to validate the algorithm. |
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| Keywords: | Qualitative Bayesian networks Sign-propagation algorithm Composition algorithm |
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