@inproceedings{ijcai2019p849,
  title     = {Closed-World Semantics for Conjunctive Queries with Negation over ELH-bottom Ontologies},
  author    = {Borgwardt, Stefan and Forkel, Walter},
  booktitle = {Proceedings of the Twenty-Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-19}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  pages     = {6131--6135},
  year      = {2019},
  month     = {7},
  doi       = {10.24963/ijcai.2019/849},
  url       = {https://doi.org/10.24963/ijcai.2019/849},
}