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Published in 2020 at "Statistics and Computing"
DOI: 10.1007/s11222-020-09946-6
Abstract: Spectral embedding of adjacency or Laplacian matrices of undirected graphs is a common technique for representing a network in a lower dimensional latent space, with optimal theoretical guarantees. The embedding can be used to estimate…
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Keywords:
dimension;
latent dimension;
estimation latent;
bayesian estimation ... See more keywords
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Published in 2020 at "IEEE Transactions on Information Theory"
DOI: 10.1109/tit.2020.3016331
Abstract: In this article we introduce an estimator for the number of communities in the Stochastic Block Model (SBM), based on the maximization of a penalized version of the so-called Krichevsky-Trofimov mixture distribution. We prove its…
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Keywords:
communities stochastic;
number;
block model;
estimation number ... See more keywords