Ruifeng Xu received his Ph.D. degree in Computer Science from the Hong Kong Polytechnic University. He is an Assistant Dean, Professor, and Doctoral Supervisor at the School of Computer Science and Technology, Harbin University of Technology (Shenzhen). He is the Chairman of the Asian Language Resources Committee of AFNLP, Director of the Youth Work Committee of the Chinese Association for Artificial Intelligence, and Secretary-General of the China Computer Federation Natural Language Processing Committee.