Modeling Overlapping Communities with Node Popularities

  title={Modeling Overlapping Communities with Node Popularities},
  author={Prem Gopalan and Chong Wang and David M. Blei},
We develop a probabilistic approach for accurate network modeling using node popularities within the framework of the mixed-membership stochastic blockmodel (MMSB). Our model integrates two basic properties of nodes in social networks: homophily and preferential connection to popular nodes. We develop a scalable algorithm for posterior inference, based on a novel nonconjugate variant of stochastic variational inference. We evaluate the link prediction accuracy of our algorithm on nine real… CONTINUE READING

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