@inproceedings{ICEIS-DISI-2007-RavatTT,
	author        = "Franck Ravat and Olivier Teste and Ronan Tournier",
	booktitle     = "{Proceedings of the Ninth International Conference on Enterprise Information Systems, Volume 1: DISI}",
	isbn          = "978-972-8865-88-7",
	pages         = "151--156",
	title         = "{Olap aggregation function for textual data warehouse}",
	year          = 2007,
}