@inproceedings{LiMM.09,
  author    = {Sotirios Liaskos and
               Sheila A. McIlraith and
               John Mylopoulos},
  title     = {Towards Augmenting Requirements Models with Preferences},
  booktitle = {Proceecings of the 24th International Conference on Automated Software Engineering (ASE'09)},
  year      = {2009},
  pages     = {565-569},
}