@inproceedings{EndrissGrandiCOMSOC2012,
  author =        {Ulle Endriss and Umberto Grandi},
  title =         {Graph Aggregation},
  booktitle =     {Proceedings of the 4th International Workshop on Computational Social Choice (COMSOC-2012)},
  organization =  {AGH University of Science and Technology, Krak\'ow},
  month =         {September},
  year =          {2012}
}