We study the two inference problems of detecting and recovering an isolated community general structure planted in a random graph. The detection problem is formalized as hypothesis testing problem, where under null hypothesis, graph realization Erdős-Rényi <inline-formula xmlns:xlink="http://ww...

Ideological scaling methods have shown that behavioral traces in social platforms can be used to mine opinions at a massive scale. Current exploit one-dimensional left–right opinion scales, best suited for two-party socio-political systems and binary divides such as those observed the US. In this article, we introduce new method overcome limitations of existing by producing multidimensional net...