1. School of Information Technology, Deakin University, Geelong, Australia
2. Shandong Academy of Sciences and Shandong Computer Science Center National Supercomputer Center in Jinan, Qilu University of Technology, Jinan, China
3. Institute for Infocomm Research, A*STAR, Singapore
4. College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China