@inproceedings{SAC-1998-MachucaM,
	author        = "Fernando Machuca and Marta Millán",
	booktitle     = "{Proceedings of the 13th Symposium on Applied Computing}",
	doi           = "10.1145/330560.330649",
	pages         = "70--73",
	publisher     = "{ACM}",
	title         = "{Enhancing the exploitation of data mining in relational database systems via the rough sets theory including precision variables}",
	year          = 1998,
}