@inproceedings{ijcai2017p131,
  author    = {İsmail İlkan Ceylan and Thomas Lukasiewicz and Rafael Peñaloza and Oana Tifrea-Marciuska},
  title     = {Query Answering in Ontologies under Preference Rankings},
  booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on
               Artificial Intelligence, {IJCAI-17}},
  pages     = {943--949},
  year      = {2017},
  doi       = {10.24963/ijcai.2017/131},
  url       = {https://doi.org/10.24963/ijcai.2017/131},
}