Christina Yip Chung is a Ph.D. candidate in the Department of Computer Science at the University of California, Davis where she works as a research assistant in the Computer Security Laboratory and Database Laboratory. Her research interests include knowledge discovery and data mining, anomaly detection in database systems, and knowledge extraction from semistructured data. Christina received her M.Sci.(Computer Science) from The University of California at Davis and B.Sci.(Computer Science) from The University of Hong Kong.