TY - JOUR A1 - Murakami, S. A1 - Takemoto, T. A1 - Ito, Y. T1 - DATA UPDATING METHODS FOR SPATIAL DATA INFRASTRUCTURE THAT MAINTAIN INFRASTRUCTURE QUALITY AND ENABLE ITS SUSTAINABLE OPERATION JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XXXIX-B4 SP - 29 EP - 33 Y1 - 2012/07/27 PB - ISPRS SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XXXIX-B4/29/2012/ L1 - https://isprs-archives.copernicus.org/articles/XXXIX-B4/29/2012/isprsarchives-XXXIX-B4-29-2012.pdf DO - 10.5194/isprsarchives-XXXIX-B4-29-2012 ER -