Renata de Matos Galante Clesio Saraiva dos Santos Nina Edelweiss Alvaro Freitas Moreira Temporal and versioning model for schema evolution in object-oriented databases. 99-128 2005 53 Data Knowl. Eng. 2 http://dx.doi.org/10.1016/j.datak.2004.07.001 db/journals/dke/dke53.html#GalanteSEM05