@inproceedings{SAC-2006-BaldoniBT,
	author        = "Matteo Baldoni and Guido Boella and Leendert W. N. van der Torre",
	booktitle     = "{Proceedings of the 21st Symposium on Applied Computing}",
	doi           = "10.1145/1141277.1141606",
	editor        = "Hisham Haddad",
	isbn          = "1-59593-108-2",
	pages         = "1414--1418",
	publisher     = "{ACM}",
	title         = "{powerJava: ontologically founded roles in object oriented programming languages}",
	year          = 2006,
}