@inproceedings{PPDP-2005-DelzannoGM,
	author        = "Giorgio Delzanno and Maurizio Gabbrielli and Maria Chiara Meo",
	booktitle     = "{Proceedings of the Seventh International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1069774.1069794",
	isbn          = "1-59593-090-6",
	pages         = "209--217",
	publisher     = "{ACM}",
	title         = "{A compositional semantics for CHR}",
	year          = 2005,
}