Database Schema Evolution and Meta-Modeling 9th International Workshop on Foundations of Models and Languages for Data and Objects FoMLaDO/DEMM 2000 Dagstuhl Castle, Germany, September 18-21, 2000 Selected Papers - Balsters, Herman; Balsters, Herman; Brock, Bert de; Brock, Bert de; Conrad, Stefan; Conrad, Stefan (Springer Berlin Heidelberg : Imprint: Springer, 2001)