@inproceedings{ICLP-2005-Bekes,
	author        = "András Gyorgy Békés",
	booktitle     = "{Proceedings of the 21st International Conference on Logic Programming}",
	doi           = "10.1007/11562931_41",
	isbn          = "3-540-29208-X",
	pages         = "429--430",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Optimizing Queries for Heterogeneous Information Sources}",
	volume        = 3668,
	year          = 2005,
}