1. School of Data and Computer Science, Sun Yat-sen University, China and Guangdong Province Key Laboratory of Big Data Analysis and Processing, Sun Yat-sen University, China and Collaborative Innovation Center of High Performance Computing, National University of Defense Technology, China
2. School of Data and Computer Science, Sun Yat-sen University, China and Institute for Telecommunications Research, University of South Australia, Australia
3. Institute for Telecommunications Research, University of South Australia, Australia
4. School of Computer Science and Technology, Huazhong University of Science and Technology, China