Dr Lin Xuemin 1Biography: Xuemin Lin is a UNSW Scientia Professor in the school of computer science and engineering at UNSW. Currently, he is the head of database group in the school. Xuemin’s research interests lie in databases, algorithms, and complexities. Specifically, he is working in the areas of graph data, spatial-temporal data, streaming data, uncertain data, text data, etc. Xuemin was an associate editor of ACM TODS (2008-2014) and IEEE TKDE (Feb 2013- Jan 2015), respectively. Currently, he is associate editor-in-Chief of TKDE (2013-) and associate editor of WWW Journal.