@inproceedings{ijcai/proprank,
  author    = {Piotr Skowron and
               Martin Lackner and
               Markus Brill and
               Dominik Peters and
               Edith Elkind},
  title     = {Proportional Rankings},
  Booktitle = {Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI 2017)},
  Year      = {2017},
  Publisher = {AAAI Press},
}