He is now spending his one-year visit at Computer Science Department, Carnegie Mellon University(CMU), as a research scholar. He is hosted and supervised by Professor Christos Faloutsos. He received his Ph.D. degree from Tsinghua University in 2010, and visited University of California, Los Angeles (UCLA) for more than a year as a Ph.D. student. His current research interests are solving the real data mining and machine learning problems, related to computation and optimization of big graphs and series. © 2017 Carnegie Mellon Database Group