TY - JOUR A1 - Chen, F. A1 - Jing, C. A1 - Zhang, H. A1 - Lv, X. T1 - WIFI LOG-BASED STUDENT BEHAVIOR ANALYSIS AND VISUALIZATION SYSTEM JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLIII-B4-2022 SP - 493 EP - 499 Y1 - 2022/06/02 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLIII-B4-2022/493/2022/ L1 - https://isprs-archives.copernicus.org/articles/XLIII-B4-2022/493/2022/isprs-archives-XLIII-B4-2022-493-2022.pdf DO - 10.5194/isprs-archives-XLIII-B4-2022-493-2022 ER -