If you are interested in my research, and would like to join my group as a Ph.D. student, this page is for you. First, please read the admissions info on the web page of the NUS School of Computing (SOC). Please apply directly to the School, and not to me. At SOC, most admitted Ph.D. students receive a Research Scholarship from the School, rather than from individual professors. Therefore, I have little influence over the admissions process. I can't admit you; only the Sch

Many students ask me to write them a recommendation letter, whether for a job or internship application, or for graduate studies. I usually decline, unless I have worked with the student in a project before. Here's why. Concrete Examples To write a good letter, I need to be able to give concrete examples. General comments, such as, "This student is hardworking and smart", are weak and useless. Everybody applying for a job or for graduate school is hardworking and smart!

On 21 Oct. 2016, The Straits Times reported that facial recognition may used instead of fare cards for MRT rides, if the Advanced Fare Gate System developed by ST Electronics “takes off”. This is a bad idea, and I would advise against using it in Singapore. Reason: loss of privacy, and the risk of privacy abuse. The purported reason for replacing the usual fare cards with a facial recognition system is speed and convenience: commuters need not remove their cards, or tap them