@inproceedings{SAC-2001-OkabeY,
	author        = "Masayuki Okabe and Seiji Yamada",
	booktitle     = "{Proceedings of the 16th Symposium on Applied Computing}",
	doi           = "10.1145/372202.372208",
	pages         = "27--31",
	publisher     = "{ACM}",
	title         = "{Interactive document retrieval with relational learning}",
	year          = 2001,
}