ReVLDB 2017 DI Murich-Germany Flexible Online Task Assignment in Real-Time Spatial Data Yongxin Tong1, Libin Wang, Zimu Zhou2, Bolin Ding, Lei Chen, Jieping Ye5, Ke Xu 1 Beihang University 2 ETH Zurich 3 Microsoft research 4 The hong Kong University of Science and Technology 5 DiDi Research Microsoft 航空航 ETHzurich Researchi 香港科技大 THE HONG KONG UNIVERSITY OF CIENCE AND TECHNOLOGY O DiDiFlexible Online Task Assignment in Real-Time Spatial Data Yongxin Tong 1 , Libin Wang1 , Zimu Zhou2 , Bolin Ding3 , Lei Chen4 , Jieping Ye5 , Ke Xu1 1 Beihang University 2 ETH Zurich 3 Microsoft Research 4 The Hong Kong University of Science and Technology 5 DiDi Research