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基于混合团树的贝叶斯网络智能推理算法

Bayesian network intelligent reasoning algorithm based on mixed clique tree

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【作者】 郑靓孙毅

【Author】 ZHENG Liang;SUN Yi;College of Mathematics and System Science, Xinjiang University;

【通讯作者】 孙毅;

【机构】 新疆大学数学与系统科学学院

【摘要】 提出了一种基于混合团树的智能推理体系架构,利用原始贝叶斯网络中变量之间的依赖关系对连接树进行改造,使得在推理过程中满足以下两个优势:(1)它能直接消除与证据和查询的无关的变量集,使得混合团树得以缩减为更小规模的二级树状结构,进而使消息不必在所有节点中传播;(2)它继承了连接树传播算法中可以重复利用混合团树中预先储存的信息进行加速推理.

【Abstract】 An intelligent reasoning architecture based on mixed clique trees is proposed.It uses the dependence between variables in the original Bayesian network to transform the join tree, so that the following two advantages are satisfied in the reasoning process:(1) It can directly eliminate the variable set unrelated to evidence and query variables, so that the mixed clique tree can be reduced to a smaller secondary tree structure, and thus messages do not need to be propagated in all nodes.(2) It inherits advantages of the join tree propagation algorithm, that is it can reuse the pre-stored information in the mixed clique trees so as to accelerate reasoning.

【基金】 国家自然科学基金资助项目(11726630,11701491)
  • 【文献出处】 东北师大学报(自然科学版) ,Journal of Northeast Normal University(Natural Science Edition) , 编辑部邮箱 ,2023年02期
  • 【分类号】O212.8
  • 【下载频次】25
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