1. National Engineering Research Center for Big Data Technology and System, Services Computing Technology and System Lab, Cluster and Grid Computing Lab, School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China
2. Department of Computing Technologies, Swinburne University of Technology, Melbourne, VIC, Australia
3. School of Information Technology, Deakin University, Geelong, VIC, Australia