A. C. M.  Fong is an associate professor in the School of Computer Engineering, Nanyang Technological University, Singapore, and an accredited imaging scientist who has authored over 60 published papers in journals and conference proceedings 

S. C.  Hui is an associate professor  in the School of Computer Engineering, Nanyang Technological University, Singapore. He received his D. Phil in 1987 from the University of Sussex, UK. He worked in IBM China/Hong Kong Corporation as a system engineer from 1987 to 1990. His current research interests include data mining, Web mining, Semantic Web, intelligent systems, information retrieval, timetabling and scheduling.