Dr. Zhang’s research interests is in using advanced interactive technologies like multi-scale, virtual environments, and collaboration to improve the understanding of large information structures and the design of interactive tools to support visually-guided navigation in large information space. Currently, he is working on issues concerning multi-facet visualization of information structures and multi-scale navigation. At IST, Zhang teaches courses related to the organization of data. Previously, he has taught courses of research methods and collaborative information retrieval.