A Real-Time Information Sharing System to Support Self-, Mutual-, and Public-Help in the Aftermath of a Disaster Utilizing Twitter. - Osamu Uchida; Masafumi Kosugi; Gaku Endo; Takamitsu Funayama; Keisuke Utsu; Sachi Tajima; Makoto Tomita; Yoshitaka Kajita; Yoshiro Yamamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)