@inproceedings{CHI-2009-BergstromK,
	author        = "Tony Bergstrom and Karrie Karahalios",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1519060",
	isbn          = "978-1-60558-246-7",
	pages         = "2349--2352",
	publisher     = "{ACM}",
	title         = "{Conversation clusters: grouping conversation topics through human-computer dialog}",
	year          = 2009,
}