1. Hunan Provincial Key Laboratory of Intelligent Computing and Language Information Processing, the College of Information Science and Engineering, Hunan Normal University, Changsha, China
2. Department of Applied Artificial Intelligence, School of Convergence, College of Computing and Informatics, Visual Analytics for Knowledge Laboratory (VIS2KNOW Lab), Sungkyunkwan University, Seoul, Republic of Korea
3. Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, NSW, Australia
4. School of Information Science and Technology, Nantong University, Nantong, China
5. Computer Science Department, Faculty of Computers and Information Technology, University of Tabuk, Tabuk, Saudi Arabia
6. Department of Teleinformatics Engineering, Federal University of Ceará, Fortaleza, Brazil