@inproceedings{ijcai2009p145,
  title     = {The Complexity of Learning Separable ceteris paribus Preferences},
  author    = {Lang, Jérôme and Mengin, Jérôme},
  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     = {848--852},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/145},
}