@inproceedings{SIGIR-1998-BorlundI,
	author        = "Pia Borlund and Peter Ingwersen",
	booktitle     = "{Proceedings of the 21st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1998/P324.pdf",
	doi           = "10.1145/290941.291019",
	pages         = "324--331",
	publisher     = "{ACM}",
	title         = "{Measures of Relative Relevance and Ranked Half-Life: Performance Indicators for Interactive IR}",
	year          = 1998,
}