TY - JOUR AU - Baofeng Yao AU - Shijun Liu AU - Lei Wang TI - Using Machine Learning Approach to Construct the People Flow Tracking System for Smart Cities JO - Computer Science and Information Systems PY - 2023 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CSIS_2023_20_2_a7/ ID - CSIS_2023_20_2_a7 ER -