Dimitrios S. Kolovos Richard F. Paige Fiona Polack The Grand Challenge of Scalability for Model Driven Engineering. 48-53 2008 MoDELS Workshops http://dx.doi.org/10.1007/978-3-642-01648-6_5 conf/models/2008w db/conf/models/models2008w.html#KolovosPP08