He has been the chief investigator of four major research projects: (1) 'Effective integration of IT in Singapore schools: Pedagogical and policy implications' (Ministry of Education/Singapore); (2) 'Supporting e-discussions and e-sharing with new technologies in learning communities' (MobileOne/Singapore); (3) 'Digital curricular literacies' (Centre for Research in Pedagogy and Practice/National Institute of Education); and (4) '3D multi-user virtual environments in schools' (CRPP/NIE). He has published widely internationally in different areas of educational technology, namely online learning and other ICT-based learning environments in schools and corporations. Dr Lim has also provided consultancy services to the Singapore Armed Forces Training Institute, APEC, UNESCO, Inter-American Development Bank, schools and the governments of Barbados and Oman.