TY - JOUR A1 - Xu, D. A1 - Zlatanova, S. T1 - AN APPROACH TO DEVELOP 3D GEO-DBMS TOPOLOGICAL OPERATORS BY RE-USING EXISTING 2D OPERATORS JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - II-2/W1 SP - 291 EP - 298 Y1 - 2013/09/13 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/II-2-W1/291/2013/ L1 - https://isprs-annals.copernicus.org/articles/II-2-W1/291/2013/isprsannals-II-2-W1-291-2013.pdf DO - 10.5194/isprsannals-II-2-W1-291-2013 ER -