Hiroyuki Echigo Hiroaki Yuze Tsuyoshi Hoshikawa Kazuo Takahata Nobuhiro Sawano Yoshitaka Shibata Distributed Disaster Information System over Japan Gigabit Network. 35-39 2006 conf/dexaw/2006 DEXA Workshops http://doi.ieeecomputersociety.org/10.1109/DEXA.2006.52 db/conf/dexaw/dexaw2006.html#EchigoYHTSS06