@inproceedings{NikolaouIJCAI17,
  title = "The Bag Semantics of Ontology-Based Data Access",
  author = "Charalampos Nikolaou and Egor V. Kostylev and George Konstantinidis and Mark Kaminski and Bernardo Cuenca Grau and Ian Horrocks",
  year = "2017",
  booktitle = "Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, {IJCAI} 2017, Melbourne, Australia, August 19-25, 2017",
  editor = "Carles Sierra",
  isbn = "978-0-9992411-0-3",
  pages = "1224--1230",
  publisher = "ijcai.org",
  url = "http://www.ijcai.org/Proceedings/2017/",
  doi = "10.24963/ijcai.2017/170",
}