1. School of Computer, China University of Geosciences, Wuhan, China
2. School of Computer, National University of Defense Technology, Changsha, China
3. Shandong Provincial Key Laboratory of Computer Networks, Shandong Computer Science Center (National Supercomputing Center in Jinan), Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
4. Badong National Observation and Research Station of Geohazards, China University of Geosciences, Wuhan, China
5. School of Information Technologies, University of Sydney, Sydney, NSW, Australia