Welcome to the Webpage of the Research Group Databases and Electronic Commerce Quick Links Current Courses Upcoming Courses Open Bachelor and Master Topics Current Research People Further information: Professors and fields of expertise Contact Prof. Dr. Stefan Böttcher Databases and Electronic Commerce Write email +49 5251 60-6662 More about the person Sekretariat Petra Schaefermeyer Algorithmen und Komplexität / Heinz Nixdorf Institut (bis 2023) working group "algorithms and complexity" Write email +49 5251 60-64 More about the person