1. School of Information Engineering, China University of Geosciences (Beijing), Beijing, China
2. School of Software and Electrical Engineering, Swinburne University of Technology, Melbourne, VIC, Australia
3. Department of Shale Gas, Research Institute of Petroleum Exploration and Development, PetroChina, Beijing, China
4. LAAS-CNRS, University of Toulouse, Toulouse, France
5. Computer Science Department, TELECOM SudParis, Évry, France