Hassina Bounif Stefano Spaccapietra Rachel Pottinger Requirements Ontology and Multi-representation Strategy for Database Schema Evolution. 68-84 2006 conf/odbis/2006 ODBIS http://dx.doi.org/10.1007/978-3-540-75474-9_5 db/conf/odbis/odbis2006.html#BounifSP06