@INPROCEEDINGS {
	AUTHOR = "Pablo Barcel{\'o} and Carsten Lutz and Andreas Pieris and Cristina Feier",
	TITLE = "When is Ontology-Mediated Querying Efficient?",
	BOOKTITLE = "34th ACM/IEEE Symposium on Logic in Computer Science (LICS)",
	YEAR = "2019",
	ADDRESS = "Vancouver, Canad",
	PUBLISHER = "IEEE Computer Society Press",
	}