1. School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China
2. Simon Fraser University, Burnaby, Canada
3. Salesforce Inc, San Francisco, United States
4. Chongqing University, Chongqing, China
5. University of New South Wales, Sydney, Australia
6. University of Technology Sydney, Sydney, Australia
7. Department of Computer Science, University of Illinois at Chicago, Chicago, United States