@inproceedings{SAC-2000-Vazirgiannis,
	author        = "Michalis Vazirgiannis",
	booktitle     = "{Proceedings of the 15th Symposium on Applied Computing}",
	pages         = "494--500",
	publisher     = "{ACM}",
	title         = "{Uncertainty Handling in Spatial Relationships}",
	volume        = 1,
	year          = 2000,
}