@inproceedings{ijcai2018p257, title = {Horn-Rewritability vs PTime Query Evaluation in Ontology-Mediated Querying}, author = {Hernich, Andre and Lutz, Carsten and Papacchini, Fabio and Wolter, Frank}, booktitle = {Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, {IJCAI-18}}, publisher = {International Joint Conferences on Artificial Intelligence Organization}, editor = {Jérôme Lang}, pages = {1861--1867}, year = {2018}, month = {7}, note = {Main track}, doi = {10.24963/ijcai.2018/257}, url = {https://doi.org/10.24963/ijcai.2018/257}, }