Hongjun Li Changjie Tang Shaojie Qiao Yue Wang Ning Yang Chuan Li Hotspot District Trajectory Prediction. 74-84 2010 WAIM Workshops http://dx.doi.org/10.1007/978-3-642-16720-1_7 conf/waim/2010w db/conf/waim/waimw2010.html#LiTQWYL10