@inproceedings{ijcai-2019-constraints,
  title = "Satisfaction and Implication of Integrity Constraints in Ontology-based Data Access.",
  author = "Charalampos Nikolaou,  Bernardo Cuenca Grau, Egor V.  Kostylev, Mark Kaminski, and Ian Horrocks.",
  year = "2019",
  booktitle = "Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI 2019)",
}