@inproceedings{JCDL-2012-StrotgenG,
	author        = "Jannik Strötgen and Michael Gertz",
	booktitle     = "{Proceedings of the 12th Joint Conference on Digital Libraries}",
	doi           = "10.1145/2232817.2232859",
	isbn          = "978-1-4503-1154-0",
	pages         = "223--232",
	publisher     = "{ACM}",
	title         = "{Event-centric search and exploration in document collections}",
	year          = 2012,
}