@inproceedings{SIGIR-2005-KajiyamaKS,
	author        = "Tomoko Kajiyama and Noriko Kando and Shin'ichi Satoh",
	booktitle     = "{Proceedings of the 28th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1076034.1076159",
	isbn          = "1-59593-034-5",
	pages         = "623--624",
	publisher     = "{ACM}",
	title         = "{Examination and enhancement of a ring-structured graphical search interface based on usability testing}",
	year          = 2005,
}