@article{nonparametricbayesianmodelsofhierarchica,
  title = {Nonparametric Bayesian models of hierarchical structure in complex networks},
  author = {Mikkel N. Schmidt and Tue Herlau and Morten Mørup},
  year = {2013},
  eprint = {1311.1033},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1311.1033v2},
}