Zong Peng is a Ph.D. candidate in Computer Science in the School of Informatics and Computing at Indiana University Bloomington. He is a Research Assistant in Data to Insight Center of the Indiana University Pervasive Technology Institute, under supervision of Professor Plale. His current research with the HTRC focuses mainly on the building, deploying and maintaining the index infrastructure for the entire HTRC collection providing security, auditing, and customized functions.