TY - JOUR A1 - Wang, W. A1 - Luan, Z. A1 - He, B. A1 - Li, X. A1 - Zhang, D. A1 - Huang, Z. A1 - Tu, W. T1 - A NEW HIERARCHICAL CLUSTERING APPROACH FOR SPARSE MOBILE PHONE TRAJECTORIES JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-4 SP - 697 EP - 701 Y1 - 2018/09/19 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-4/697/2018/ L1 - https://isprs-archives.copernicus.org/articles/XLII-4/697/2018/isprs-archives-XLII-4-697-2018.pdf DO - 10.5194/isprs-archives-XLII-4-697-2018 ER -