He is also with the Multimedia Computing Lab of RUC. He received the B.S. and M.E. degrees from Tsinghua University, Beijing, China in 2005 and 2007, respectively, and the Ph.D. degree from the University of Amsterdam, Amsterdam, The Netherlands, in 2012, all in computer science. His research interests include multimedia tagging, categorization, and retrieval. He was the recipient of the ACM SIGMM Best Ph.D. Thesis Award 2013, the IEEE TRANSACTIONS ON MULTIMEDIA Prize Paper Award 2012, the Best Paper Award of the ACM CIVR 2010, PCM 2016 Best Paper Runner-Up, PCM 2014 Outstanding Reviewer Award, and Chinese Government Award for Outstanding Self-Financed Students Abroad 2011. He served as area chair of ICPR 2016, publication co-chair of ACM ICMR 2015, poster/demo co-chair of PCM 2015, and publicity co-chair of ICMR 2013.