@inproceedings{PPDP-2009-GabbrielliMM,
	author        = "Maurizio Gabbrielli and Jacopo Mauro and Maria Chiara Meo",
	booktitle     = "{Proceedings of the 11th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1599410.1599443",
	isbn          = "978-1-60558-568-0",
	pages         = "267--276",
	publisher     = "{ACM}",
	title         = "{On the expressive power of priorities in CHR}",
	year          = 2009,
}