@inproceedings{SIGIR-1998-LagergrenO,
	author        = "Eric Lagergren and Paul Over",
	booktitle     = "{Proceedings of the 21st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1998/P164.pdf",
	doi           = "10.1145/290941.290986",
	pages         = "164--172",
	publisher     = "{ACM}",
	title         = "{Comparing Interactive Information Retrieval systems Across Sites: The TREC-6 Interactive Track Matrix Experiment}",
	year          = 1998,
}