@inproceedings{ICEIS-v4-2003-RoqueOL,
	author        = "Vitor Roque and José Luís Oliveira and Rui Pedro Lopes",
	booktitle     = "{Proceedings of the Fifth International Conference on Enterprise Information Systems, Volume 4}",
	pages         = "464--467",
	title         = "{Policies Composition Through Graphical Components}",
	year          = 2003,
}