Media type: E-Article Title: Advances in Conceptual Modeling - Theory and Practice: Preface for ECDM 2006 Contributor: Grandi, Fabio imprint: Springer Berlin Heidelberg, 2006 Published in: Advances in Conceptual Modeling - Theory and Practice Language: Not determined DOI: 10.1007/11908883_25 ISSN: 0302-9743; 1611-3349 Origination: Footnote: