1. College of Computer Science, Sichuan University (SCU), Chengdu, China
2. School of Automation Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
3. School of Computing and Information Systems, Singapore Management University, Bras Basah, Singapore
4. State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang, China