1. Key Laboratory of Analytical Mathematics and Applications (Ministry of Education) and the Fujian Provincial Key Laboratory of Network Security and Cryptology, College of Computer and Cyber Security, Fujian Normal University, Fuzhou, China
2. School of Computing and Information Systems, Singapore Management University, Singapore
3. Computer and Information Science School, University of Oregon, Eugene, OR, USA
4. Artificial Intelligence Thrust, Information Hub, Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China