Information Technology in Disaster Risk Reduction Second IFIP TC 5 DCITDRR International Conference, ITDRR 2017, Sofia, Bulgaria, October 25-27, 2017, Revised Selected Papers - Murayama, Yuko; Murayama, Yuko; Velev, Dimiter; Velev, Dimiter; Zlateva, Plamena; Zlateva, Plamena (Springer International Publishing : Imprint: Springer, 2019)