@INPROCEEDINGS{er2005, AUTHOR = "Vassiliadis, P. and Simitsis, A. and Terrovitis M. and Skiadopoulos, S.", TITLE = "Blueprints for ETL Workflows", BOOKTITLE = "Proceedings of the 24th International Conference on Conceptual Modeling, (ER 2005)", address = {Klagenfurt, Austria,}, month = {October 24-28}, YEAR = "2005", note = {To appear}. }