Dr Wilfred S. H. Ng obtained his B.Sc.(Hon) degree and Postgraduate Certificate of Education from the University of Hong Kong. He then received his M.Sc.(Distinction) and Ph.D. degrees from the University of London (University College London) in the U.K. His research interests are Databases and Information Systems, which include semantic data modelling, query language processing, data mining, web searching and XML technologies. He has research/teaching/presentation experience in different countries spanning the continents of North America, Europe and Asia. While in the U.K., he worked with some of the leading academics in database modelling and gained working experience in the academic and industrial sectors. He has published extensively in various prestigious conferences and journals. Dr Ng is now an associate professor and undergraduate studies director in Department of Computer Science and Engineering, the Hong Kong University of Science and Technology. He is also a professional member of the ACM and the IEEE.