Article,

Comparative study for inference of hidden classes in stochastic block models

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JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT, (December 2012)
DOI: {10.1088/1742-5468/2012/12/P12021}

Abstract

Inference of hidden classes in stochastic block models is a classical problem with important applications. Most commonly used methods for this problem involve naive mean field approaches or heuristic spectral methods. Recently, belief propagation was proposed for this problem. In this contribution we perform a comparative study between the three methods on synthetically created networks. We show that belief propagation shows much better performance when compared to naive mean field and spectral approaches. This applies to accuracy, computational efficiency and the tendency to overfit the data.

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