@inproceedings{ijcai2009p29,
  title     = {Preference Functions that Score Rankings and Maximum Likelihood Estimation},
  author    = {Conitzer, Vincent and Rognlie, Matthew and Xia, Lirong},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {109--114},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/29},
}