@inproceedings{jl_2019/iswc_squerall,
	title = "Squerall: virtual ontology-based access to heterogeneous and large data sources",
	author = "Mohamed Nadjib Mami and Damien Graux and Simon Scerri and Hajira Jabeen and S{\"o}ren Auer and Jens Lehmann",
	booktitle = "Proceedings of the 18th International Semantic Web Conference (ISWC)",
	year = "2019",
}

Please send me an email if the BibTeX export is incorrect/incomplete.