@inproceedings{IJCAI-19-MTL,
  title = "DatalogMTL: Computational Complexity and Expressive Power",
  author = "Przemyslaw Walega and Bernardo Cuenca Grau and Mark Kaminski and  Egor V. Kostylev.",
  year = "2019",
  booktitle = "Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI 2019)",
}