John ShepherdJohn Shepherd received his PhD in 1990 from the University of Melbourne. He is a senior lecturer at the School of Computer Science and Engineering, University of New South Wales, Sydney, Australia. His main research interests are query processing forboth relational and nonrelational (e.g., multimedia) databases, information organization/retrieval and applications of information technology to teaching and learning. Dr. Shepherd has served on the program committees of conferences such as VLDB, WISE and DASFAAA. Read More Read Less