TY - CONF AU - Hiroyuki Miyazaki AU - Koki Iwao AU - Ryosuke Shibasaki BT - 30th Asian Conference on Remote Sensing CY - Beijing LA - eng PP - Beijing PY - 2009 EP - TS17–01 T2 - 30th Asian Conference on Remote Sensing TI - Assessing Validity of Global Gazetteers as Ground Truth Data for Urban Mapping ER -