Stochastic block models (SBMs) serve as a fundamental probabilistic framework for generating and analysing network data with inherent community or modular structure. In these models, nodes are ...

With increasing amounts of information available, modeling and predicting user preferences—for books or articles, for example—are becoming more important. We present a collaborative filtering model, ...

The Annals of Statistics, Vol. 44, No. 5 (October 2016), pp. 2252-2280 (29 pages) Recently, network analysis has gained more and more attention in statistics, as well as in computer science, ...

Using unique investment-level data accounting for around 15,000 individual investments done by various types of investors in start-up companies over the periods from 2000 to 2014, we empirically ...