@inproceedings{ChevaleyreEtAlKR2006,
  author =        {Yann Chevaleyre and Ulle Endriss and J\'er\^ome Lang},
  title =         {Expressive Power of Weighted Propositional Formulas for Cardinal Preference Modelling},
  editor =        {P.~Doherty and J.~Mylopoulos and C.~Welty},
  booktitle =     {Proceedings of the 10th International Conference on Principles of Knowledge Representation and Reasoning (KR-2006)},
  pages =         {145--152},
  publisher =     {AAAI Press},
  month =         {June},
  year =          {2006}
}