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The conditional independence structure of a common probability measure is a structural model. In this paper, we solve an open problem posed by Studeny [Probabilistic Conditional Independence Structures, Theme 9, p. 206]. A new approach is proposed to decompose a directed acyclic graph and its optimal properties are studied. We interpret this approach from the perspective of the decomposition of the corresponding conditional independence model and provide an algorithm for identifying the maximal prime subgraphs in a directed acyclic graph. 相似文献
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RSA公开密钥密码体制及其安全性分析 总被引:4,自引:0,他引:4
朱有根 《宁波大学学报(理工版)》2001,14(2):48-50
介绍了公开密钥密码技术、RSA加密算法及密钥产生的方法.分析了公开密钥密码技术的安全性、保密性以及发展前景. 相似文献
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