@inproceedings{ijcai2019p218,
  title     = {Ontology Approximation in Horn Description Logics},
  author    = {Bötcher, Anneke and Lutz, Carsten and Wolter, Frank},
  booktitle = {Proceedings of the Twenty-Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-19}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  pages     = {1574--1580},
  year      = {2019},
  month     = {7},
  doi       = {10.24963/ijcai.2019/218},
  url       = {https://doi.org/10.24963/ijcai.2019/218},
}