The Topic Extraction from the Discussion Data of Community Disaster Risk Management Workshops. - Hiroyuki Sakakibara; Shota Mori; Madoka Chosokabe; Daisuke Kamiya; Ryo Yamanaka; Toshiaki Miyaguni; Tetsuya Nishie; Hiromochi Mitsuhashi; Makoto Tsukai (SMC, 2018)