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概率图模型课本笔记(二)

无向图模型:

We have now presented three sets of independence assertions associated with a network structure H. For general distributions, Ip(H) is strictly weaker than Il(H), which in turn is strictly weaker than I(H). However, all three definitions are equivalent for positive distributions.

 

 Ip(H): pairwise assumption

 Il(H): local assumption

I(H): global assumption

概率图模型课本笔记(二)