Disaster Warning Map using Premonitory Symptom Keywords Gathered from Twitter in Real Time

Otsuki A^1*, Kuwana A² and Kawamura M³

¹Nihon University, 1-3-2 Misaki-Cho, Chiyoda-Ku, Tokyo 101-8360, Japan

²Ochanomizu University, 2-1-1 Otsuka, Bunkyo-Ku, Tokyo 112-8610, Japan

³MK Future Software, Ibaraki, Japan

^*Corresponding Author: Otsuki A, Associate Professor, College of Economics, Nihon University, Chiyoda-Ku, Tokyo, Japan, Tel: 03-3219-3480 Email: