George Papastefanatos Fotini Anagnostou Yannis Vassiliou Panos Vassiliadis Hecataeus: A What-If Analysis Tool for Database Schema Evolution. 326-328 2008 CSMR http://dx.doi.org/10.1109/CSMR.2008.4493341 conf/csmr/2008 db/conf/csmr/csmr2008.html#PapastefanatosAVV08