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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