@inproceedings{SAC-2005-CaetanoST,
	author        = "Artur Caetano and António Rito Silva and José M. Tribolet",
	booktitle     = "{Proceedings of the 20th Symposium on Applied Computing}",
	doi           = "10.1145/1066677.1066973",
	editor        = "Hisham Haddad and Lorie M. Liebrock and Andrea Omicini and Roger L. Wainwright",
	isbn          = "1-58113-964-0",
	pages         = "1308--1313",
	publisher     = "{ACM}",
	title         = "{Using roles and business objects to model and understand business processes}",
	year          = 2005,
}