@inproceedings{PPDP-2007-TacchellaGM,
	author        = "Paolo Tacchella and Maurizio Gabbrielli and Maria Chiara Meo",
	booktitle     = "{Proceedings of the Ninth International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1273920.1273945",
	isbn          = "978-1-59593-769-8",
	pages         = "179--186",
	publisher     = "{ACM}",
	title         = "{Unfolding in CHR}",
	year          = 2007,
}