Phase Transitions in Spectral Community Detection of Large Noisy Networks

9 Apr 2015 Pin-Yu Chen Alfred O. Hero III

In this paper, we study the sensitivity of the spectral clustering based community detection algorithm subject to a Erdos-Renyi type random noise model. We prove phase transitions in community detectability as a function of the external edge connection probability and the noisy edge presence probability under a general network model where two arbitrarily connected communities are interconnected by random external edges... (read more)

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METHOD TYPE
Spectral Clustering
Clustering