Hanjun Xian is a Ph. D. student in the School of Engineering Education at Purdue University. He holds a master's degree and a bachelor's degree in computer science and started to pursue his Ph.D. degree in engineering education in 2009. He is working with Dr. Madhavan to implement the iKNEER web portal to allow intuitive navigation of the knowledge products of engineering education research. His major roles in this project are to retrieve, mine, and manage knowledge products; provide multiple visualization tools to represent the large problem space in engineering education research; and analyze and predict the shift of research focuses and collaboration.