1. Department of Computing, The Hong Kong Polytechnic University, Hong Kong
2. Key Laboratory of Water Resources Big Data Technology of Ministry of Water Resources, School of Computer and Information, Hohai University, Nanjing, China
3. School of Computer Science and Technology, China University of Geosciences, Wuhan, China
4. School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China
5. Department of Computer Science, Hong Kong Baptist University, Hong Kong
6. High Performance Computing & Networking, School of Information Technologies, Sydney University, Camperdown, NSW, Australia