Waste tyres could be utilized as partial replacement in order to preserve natural resources such as sand and to prevent the environment from further damage due to improper disposal of the tyres. In response to these demands, three series of investigations were conducted in this project....

This book constitutes the refereed proceedings of the 22 International Conference on Conceptual Modeling, ER 2003, held in Chicago, IL, USA in October 2003. The 38 revised full papers presented together with abstracts of 4 invited talks and 7 industrialpresentations were carefully reviewed and selected from 153 submissions....