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A penalized inference approach to stochastic block modelling of community structure in the Italian Parliament
2017
Journal of the Royal Statistical Society, Series C: Applied Statistics
We analyse bill cosponsorship networks in the Italian Chamber of Deputies. In comparison with other parliaments, a distinguishing feature of the Chamber is the large number of political groups. Our analysis aims to infer the pattern of collaborations between these groups from data on bill cosponsorships. We propose an extension of stochastic block models for edge-valued graphs and derive measures of group productivity and of collaboration between political parties. As the model proposed
doi:10.1111/rssc.12234
fatcat:kojuvh5jwzeh5dkizg5ztrkczq