@inproceedings{PODS-2004-GottlobKBHF,
	author        = "Georg Gottlob and Christoph Koch and Robert Baumgartner and Marcus Herzog and Sergio Flesca",
	booktitle     = "{Proceedings of the 23rd Symposium on Principles of Database Systems}",
	doi           = "10.1145/1055558.1055560",
	ee            = "http://www.acm.org/sigmod/pods/proc04/pdf/P-01.pdf",
	isbn          = "1-58113-858-X",
	pages         = "1--12",
	publisher     = "{ACM}",
	title         = "{The Lixto Data Extraction Project — Back and Forth between Theory and Practice}",
	year          = 2004,
}