@inproceedings{SAC-2004-WainerBB,
	author        = "Jacques Wainer and Fábio de Lima Bezerra and Paulo Barthelmess",
	booktitle     = "{Proceedings of the 19th Symposium on Applied Computing}",
	doi           = "10.1145/967900.968003",
	editor        = "Hisham Haddad and Andrea Omicini and Roger L. Wainwright and Lorie M. Liebrock",
	isbn          = "1-58113-812-1",
	pages         = "498--502",
	publisher     = "{ACM}",
	title         = "{Tucupi: a flexible workflow system based on overridable constraints}",
	year          = 2004,
}