@inproceedings{CIKM-2001-SchallehnSS,
	author        = "Eike Schallehn and Kai-Uwe Sattler and Gunter Saake",
	booktitle     = "{Proceedings of the 10th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/502585.502685",
	isbn          = "1-58113-436-3",
	pages         = "547--549",
	publisher     = "{ACM}",
	title         = "{Advanced Grouping and Aggregation for Data Integration}",
	year          = 2001,
}