His goal is to help the machine help organize the world's information with more structures, connections, and insights, but with less human effort. In 2012, he received his PhD in Computer Science from the University of Wisconsin-Madison under the supervision of Christopher Ré and AnHai Doan. His graduate study was mainly funded by the DARPA Machine Reading program, and his dissertation was entitled "Web-scale Knowledge-base Construction via Statistical Inference and Learning." He received his BE degree in Computer Science from Tsinghua University in 2008.