Bin Xu is an associate professor in the Department of Computer Science and Technology of Tsinghua University, Beijing, China. He received his PhD from Tsinghua University in 2006. His research interests include knowledge graph and data mining. He is member of IEEE/CCF(China Computer Federation)/CIPS(Chinese Information Processing Society of China), and served as the chair of CCF technical committee of computer application, and deputy secretary of CIPS technical committee of language and knowledge computing. He has acted as PI of several national research grants, such as “Knowledge Graph Construction for Elementary Education of China”, and “Mining and Recommendation of Intellectual Property Big Data”. He has published more than 100 academic paper in international conference or journals, such as AAAI/ACL/TPDS/TSC.