1. Collaborative Initiative, Interdisciplinary Graduate Programme, Nanyang Technological University (NTU), Singapore
2. College of Computer Science and Electronic Engineering, Hunan University, Changsha, Hunan, China
3. School of Computer Science and Engineering, Nanyang Technological University (NTU), Singapore
4. Intelligent Networking and Computing Research Center, School of Computer Science, Fudan University, Shanghai, China
5. School of Electrical and Electronic Engineering, Nanyang Technological University (NTU), Singapore