TY - JOUR A1 - Chaturvedi, K. A1 - Kolbe, T. H. T1 - A REQUIREMENT ANALYSIS ON EXTENDING SEMANTIC 3D CITY MODELS FOR SUPPORTING TIME-DEPENDENT PROPERTIES JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - IV-4/W9 SP - 19 EP - 26 Y1 - 2019/09/30 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/IV-4-W9/19/2019/ L1 - https://isprs-annals.copernicus.org/articles/IV-4-W9/19/2019/isprs-annals-IV-4-W9-19-2019.pdf DO - 10.5194/isprs-annals-IV-4-W9-19-2019 ER -