TY - JOUR A1 - Lee, S. T1 - IMPREMENTATION OF VGI-BASED GEOPORTAL FOR EMPOWERING CITIZEN’S GEOSPATIAL OBSERVATORIES RELATED TO URBAN DISASTER MANAGEMENT JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLI-B2 SP - 621 EP - 623 Y1 - 2016/06/08 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLI-B2/621/2016/ L1 - https://isprs-archives.copernicus.org/articles/XLI-B2/621/2016/isprs-archives-XLI-B2-621-2016.pdf DO - 10.5194/isprs-archives-XLI-B2-621-2016 ER -