@inproceedings{SLE-2019-SeiferHLLS,
	author        = "Philipp Seifer and Johannes Härtel and Martin Leinberger and Ralf Lämmel and Steffen Staab",
	booktitle     = "{Proceedings of the 12th International Conference on Software Language Engineering}",
	doi           = "10.1145/3357766.3359541",
	isbn          = "978-1-4503-6981-7",
	pages         = "152--166",
	publisher     = "{ACM}",
	title         = "{Empirical study on the usage of graph query languages in open source Java projects}",
	year          = 2019,
}