This volume constitutes the refereed proceedings of the 17th International Conference on Conceptual Modeling, ER '98, held in Singapore, in November 1998. The 32 revised full papers presented were carefully reviewed and selected from a total of 95 submissions. The book is divided into chapters on conceptual modeling and design, user interface modeling, information retrieval on the Web, semantics and constraints, conceptual modeling tools, quality and reliability metrics, industrial experience in conceptual modeling, object-oriented database management systems, data warehousing, industrial case studies, object-oriented approaches.

This book constitutes the refereed proceedings of the 20th International Conference on Conceptual Modeling, ER 2001, held in Tokohama, Japan, in November 2001. The 45 revised full papers presented together with three keynote presentations were carefully reviewed and selected from a total of 197 submissions. The papers are organized in topical sections on spatial databases, spatio-temporal databases, XML, information modeling, database design, data integration, data warehouse, UML, conceptual models, systems design, method reengineering and video databases, workflows, web information systems, applications, and software engineering.

The papers in this volume examine the homeland security capabilities of emerging technologies, in order to enhance the reader's understanding of the public policy and privacy issues, related to various technologies. It provides a rigorous examination and offers several entirely new concepts, innovative technologies, and corresponding enabling policies for defending against terrorism in the post-Cold War era.

This volume contains the proceedings of the 10th Australasian Database Conference (ADC99), held 18-21 January 1999, in Auckland, New Zealand. The 18 refereed papers presented at the conference are divided into six topical sessions, and includes the latest research in areas such as data-mining, data warehousing, information retrieval, multidimensional databases, and workflow systems. This book thus summarises some of the most recent research, development and novel applications of databases.