1. Faculty of Information Technology Macau University of Science and Technology Taipa Macau
2. Department of Computing The Hong Kong Polytechnic University Kowloon Hong Kong
3. Department of Computer Science and Engineering Shanghai Jiao Tong University Shanghai China
4. School of Computer Science and Engineering South China University of Technology Guangzhou China
5. School of Information Technologies The University of Sydney Sydney Australia
6. State Key Laboratory of Computer Science, Institute of Software Chinese Academy of Sciences Beijing China
7. Faculty of Science and Technology University of Macau Taipa Macau