@inproceedings{SIGIR-2008-BuscherDE,
	author        = "Georg Buscher and Andreas Dengel and Ludger van Elst",
	booktitle     = "{Proceedings of the 31st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1390334.1390401",
	isbn          = "978-1-60558-164-4",
	pages         = "387--394",
	publisher     = "{ACM}",
	title         = "{Query expansion using gaze-based feedback on the subdocument level}",
	year          = 2008,
}