1. Group for Visual Data Science, Department of Mathematics and Computer Science, Faculty of Science, University of Southern Denmark, 5230 Odense, Denmark
2. Center for Cultures and Technologies of Collecting, Department for Arts and Cultural Studies, Faculty of Education, Arts and Architecture, University for Continuing Education, 3500 Krems, Austria
3. Fluxguide, 1070 Wien, Austria
4. Visualization Research Center, Department of Computer Science, Faculty of Computer Science, Electrical Engineering and Information, University of Stuttgart, 70569 Stuttgart, Germany