@inproceedings{CLP-1990-SchreyeVB90,
	author        = "Danny De Schreye and Kristof Verschaetse and Maurice Bruynooghe",
	booktitle     = "{Proceedings of the Seventh International Conference on Logic Programming}",
	isbn          = "0-262-73090-1",
	pages         = "649--663",
	publisher     = "{MIT Press}",
	title         = "{A Practical Technique for Detecting Non-terminating Queries for a Restricted Class of Horn Clauses, Using Directed, Weighted Graphs}",
	year          = 1990,
}