Gerhard Weikum Author

Gerhard Weikum is Professor of Computer Science at University of the Saarland in Saarbruecken, Germany, where he leads a research group on database and information systems. His research has focused on parallel and distributed information systems, transaction processing and workflow management, database optimization and performance evaluation, multimedia data management, and intelligent search on Web data. Gottfried 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.