1. School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
2. School of Investigation, People’s Public Security University of China, Beijing, China
3. Institute of Forensic Science, Ministry of Public Security, Beijing, China
4. College of Computer Science and Technology, China University of Petroleum (East China), Dongying, China
5. Faculty of Business Data Science, Kansai University, Suita, Japan