TrafficPulse: a mobile GISystem for transportation. - Ren-Yu Li; Steve H. L. Liang; DongWoo Lee; Young-Ji Byon (MobiGIS, 2012)

Geo-located community detection in Twitter with enhanced fast-greedy optimization of modularity: the case study of typhoon Haiyan. - Mohamed Bakillah; Ren-Yu Li; Steve H. L. Liang (Int. J. Geogr. Inf. Sci., 2015)