@inproceedings{CIKM-2019-AkenWLG,
	author        = "Betty van Aken and Benjamin Winter and Alexander Löser and Felix A. Gers",
	booktitle     = "{Proceedings of the 28th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/3357384.3358028",
	isbn          = "978-1-4503-6976-3",
	pages         = "1823--1832",
	publisher     = "{ACM}",
	title         = "{How Does BERT Answer Questions?: A Layer-Wise Analysis of Transformer Representations}",
	year          = 2019,
}