1. Collaborative Systems Laboratory, Nipissing University, North Bay, Canada
2. School of Computer Science and Technology, Guangdong University of Technology, Guangzhou, Guangdong, China
3. Hunan Provincial Key Laboratory of Intelligent Computing and Language Information Processing and College of Information Science and Engineering, Hunan Normal University, Changsha, 410081, China
4. College of Information Science and Engineering, Hohai University, Nanjing, Jiangsu, China
5. College of Artificial Intelligence, Southwest University, Chongqing, China
6. Macao Institute of Systems Engineering and Collaborative Laboratory for Intelligent Science and Systems, Macau University of Science and Technology, Macao, China