@inproceedings{OPAvion2012,
  author    = {Leman Akoglu and
               Duen Horng Chau and
               U Kang and
               Danai Koutra and
               Christos Faloutsos},
  title     = {OPAvion: Mining and visualization in large graphs},
  booktitle = {SIGMOD Conference},
  year      = {2012},
}