I lead the USTC Lab for Data Science. My research interests span information retrieval, data mining, and multi-media analytics. I have over 70 publications appeared in several top conferences such as SIGIR, WWW, KDD, and MM, and journals including TKDE, TOIS, and TMM. My work on recommender systems has received the Best Paper Award Honourable Mention in WWW 2018 and ACM SIGIR 2016. Moreover, I have served as the (senior) PC member for several top conferences including SIGIR, WWW, KDD, MM etc., and the regular reviewer for journals including TKDE, TOIS, TMM, etc.