@inproceedings{SIGMOD-2007-TheobaldSW,
	author        = "Martin Theobald and Ralf Schenkel and Gerhard Weikum",
	booktitle     = "{Proceedings of the 25th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1247480.1247635",
	isbn          = "978-1-59593-686-8",
	pages         = "1141--1143",
	publisher     = "{ACM}",
	title         = "{The TopX DB&IR engine}",
	year          = 2007,
}