His research focuses on mining deep knowledge from large-scale social and information networks. He obtained his Ph.D. degree from Tsinghua University in 2016, advised by Jie Tang and Juanzi Li. He has published over 20 papers in top conference/journals such as KDD, AAAI, TKDD, ICDM, etc. He has been visiting Cornell University (working with John Hopcroft) in 2012, and University of Leuven (working with Marie-Francine Moens) in 2013. He served as PC members in WWW’17, WSDM’16’17, CIKM’16’17, ICWSM’17, and ASONAM’15.