George Papastefanatos Panos Vassiliadis Alkis Simitsis Konstantinos Aggistalis Fotini Pechlivani Yannis Vassiliou Language Extensions for the Automation of Database Schema Evolution. 74-81 2008 ICEIS (1) conf/iceis/2008-1 db/conf/iceis/iceis2008-1.html#PapastefanatosVSAPV08