We are pleased to present the proceedings of the workshops held in conjunction with ER 2005, the 24th International Conference on Conceptual Modeling. The objective of these workshops was to extend the spectrum of the main conferencebygivingparticipantsanopportunitytopresentanddiscussemerging hot topics related to conceptual modeling and to add new perspectives to this key mechanism for understanding and representing organizations, including the new virtual e-environments and the information systems that support them. To meet this objective, we selected 5 workshops: AOIS 2005: 7th...

This book constitutes the refereed proceedings of the 18th International Conference on Conceptual Modeling, ER '99, held in Paris, France, in November 1999. The 33 revised full papers presented together with three invited contributions were reviewed and selected from a total of 143 submissions. The book is divided into topical sections on supporting schema evolution, temporal database design, schema transformation, views and conceptual modeling, reuse in conceptual modeling, business process modeling and workflows, integrating application models, data warehouse design, modeling concepts,...