1. National Engineering Research Center for Big Data Technology and System Lab, Services Computing Technology and System Lab, Cluster and Grid Computing Lab, Hubei Engineering Research Center on Big Data Security, School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China
2. School of Computing Technolgies, RMIT University, Melbourne, VIC, Australia
3. Hubei Engineering Research Center on Big Data Security, School of Cyber Science and Engineering, Huazhong University of Science and Technology, Wuhan, China