title: retina : a real-time traffic navigation system. authors: edward chan , tei-wei kuo , s. w. ng , dick hung , kam-yiu lam. venue: sigmod conference. year: 2001
title: retina : a real-time traffic navigation system. authors: kam-yiu lam , edward chan , tei-wei kuo , s. w. ng , dick hung. venue: international conference on management of data. year: 2001