@inproceedings{SAC-1999-ArcelliF,
	author        = "Francesca Arcelli Fontana and Ferrante Formato",
	booktitle     = "{Proceedings of the 14th Symposium on Applied Computing}",
	doi           = "10.1145/298151.298348",
	pages         = "260--267",
	publisher     = "{ACM}",
	title         = "{Likelog: A Logic Programming Language for Flexible Data Retrieval}",
	year          = 1999,
}