Zhichang Zhang received his Master's degree in computer software and theory from Northwest Polytechnical University, Xi’an, China, and his Ph.D. in computer application technology from the Harbin Institute of Technology, Harbin, China, in 1998, 2003, and 2010, respectively. Since 2016, he has been a Professor with the College of Computer Science and Engineering, Northwest Normal University. His research interests include AI in education, natural language processing, and health computing technology.