@inproceedings{ijcai2009p121,
  title     = {Defeasible Inclusions in Low-Complexity DLs: Preliminary Notes},
  author    = {Bonatti, Piero A. and Faella, Marco and Sauro, Luigi},
  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     = {696--700},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/121},
}