1. Pro2Future GmbH; Austria
2. Institute for Technical Informatics, Graz University of Technology; Austria
3. CNRS Laboratoire Hubert Curien UMR 5516, MINES Saint-Étienne; Université de Lyon; Saint-Étienne France
4. Department of Computer Science and Engineering, University of Bologna; Cesena Italy
5. Ericsson Research; Jorvas Finland
6. Siemens AG, Corporate Technology; Munich Germany