@inproceedings{CIKM-2011-SakaiKS,
	author        = "Tetsuya Sakai and Makoto P. Kato and Young-In Song",
	booktitle     = "{Proceedings of the 20th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2063576.2063669",
	isbn          = "978-1-4503-0717-8",
	pages         = "621--630",
	publisher     = "{ACM}",
	title         = "{Click the search button and be happy: evaluating direct and immediate information access}",
	year          = 2011,
}