@inproceedings{FLOPS-2008-NievaSS,
	author        = "Susana Nieva and Jaime Sánchez-Hernández and Fernando Sáenz-Pérez",
	booktitle     = "{Proceedings of the Ninth International Symposium on Functional and Logic Programming}",
	doi           = "10.1007/978-3-540-78969-7_21",
	isbn          = "978-3-540-78968-0",
	pages         = "289--304",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Formalizing a Constraint Deductive Database Language Based on Hereditary Harrop Formulas with Negation}",
	volume        = 4989,
	year          = 2008,
}