Belief propagation, robust reconstruction and optimal recovery of block models
نویسندگان
چکیده
منابع مشابه
Belief propagation, robust reconstruction and optimal recovery of block models
We consider the problem of reconstructing sparse symmetric block models with two blocks and connection probabilities a/n and b/n for interand intra-block edge probabilities respectively. It was recently shown that one can do better than a random guess if and only if (a − b) > 2(a + b). Using a variant of Belief Propagation, we give a reconstruction algorithm that is optimal in the sense that if...
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ژورنال
عنوان ژورنال: The Annals of Applied Probability
سال: 2016
ISSN: 1050-5164
DOI: 10.1214/15-aap1145