根据他论文简历

Received the B.S. degree
from the North China Institute of Science and Technology, Langfang, China, in June 2008, the M.S. degree from the China University of Mining and Technology, Beijing, China, in June 2011, and the Ph.D.
degree in computer science and technology from the
Beijing University of Posts and Telecommunications,
Beijing, in June 2014.
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