@inproceedings{ijcai2005p222,
  title     = {Topic and Role Discovery in Social Networks},
  author    = {McCallum, Andrew and Corrada-Emmanuel, Andrés and Wang, Xuerui},
  booktitle = {Proceedings of the Nineteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-05}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {786--790},
  year      = {2005},
  url       = {https://ijcai.org/proceedings/2005/222},
}