Aggregate nearest neighbor queries in spatial databases. - Dimitris Papadias; Yufei Tao 001; Kyriakos Mouratidis; Chun Kit Hui (ACM Trans. Database Syst., 2005)

Computer-mediated communication and social networking tools at work. - Carol Xiaojuan Ou; Choon-Ling Sia; Chun Kit Hui (Inf. Technol. People, 2013)