RETINA: A REal-time TraffIc NAvigation System. - Kam-yiu Lam; Edward Chan; Tei-Wei Kuo; S. W. Ng; Dick Hung (SIGMOD Conference, 2001)

Processing of Location-Dependent Continuous Queries on Real-Time Spatial Data: The View from RETINA. - Dick Hung; Kam-yiu Lam; Edward Chan; Krithi Ramamritham (DEXA Workshops, 2003)