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A Transformational Characterization of Unconditionally Equivalent Bayesian Networks. (arXiv:2203.00521v3 [stat.ML] UPDATED)
Aug. 11, 2022, 1:11 a.m. | Alex Markham, Danai Deligeorgaki, Pratik Misra, Liam Solus
stat.ML updates on arXiv.org arxiv.org
We consider the problem of characterizing Bayesian networks up to
unconditional equivalence, i.e., when directed acyclic graphs (DAGs) have the
same set of unconditional $d$-separation statements. Each unconditional
equivalence class (UEC) is uniquely represented with an undirected graph whose
clique structure encodes the members of the class. Via this structure, we
provide a transformational characterization of unconditional equivalence; i.e.,
we show that two DAGs are in the same UEC if and only if one can be transformed
into the other …
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