Gottfried VossenGottfried Vossen is Professor of Computer Science and a Director of the Institür für Wirtschaftsinformatik, Universität Münster (Department of Information Systems, University of Muenster, Germany). His research in the area of object-based database systems has dealt primarily with models for data and objects, database languages, transaction processing, integration with scientific applications, XML and its applications, and workflow management. Read More Read Less