1. Department of Computer Science and Engineering, University of Bologna, Bologna, Italy
2. Discipline of Information Technology, Peter Faber Business School, Australian Catholic University, Sydney, NSW, Australia
3. Department of Informatics, Systems and Communication, University of Milano–Bicocca, Milan, Italy
4. Department of Computing Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
5. Archimedes Research Unit on AI, Data Science and Algorithms, Athena Research and Innovation Center, Marousi, Greece