@techreport{weko_209876_1, author = "山田,実俊 and 宇津,圭祐 and 内田,理", title = "災害時のツイート分析と関連情報の同時可視化システム", year = "2021", institution = "東海大学, 東海大学, 東海大学", number = "3", month = "mar" }