@inproceedings{PPDP-2000-GiacobazziM,
	author        = "Roberto Giacobazzi and Isabella Mastroeni",
	booktitle     = "{Proceedings of the Second International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/351268.351281",
	pages         = "115--126",
	title         = "{A characterization of symmetric semantics by domain complementation}",
	year          = 2000,
}