Safety Information Mining — What can NLP do in a disaster— Graham Neubig author Yuichiroh Matsubayashi author Masato Hagiwara author Koji Murakami author 2011-11 text Proceedings of 5th International Joint Conference on Natural Language Processing Haifeng Wang editor David Yarowsky editor Asian Federation of Natural Language Processing Chiang Mai, Thailand conference publication neubig-etal-2011-safety https://aclanthology.org/I11-1108/ 2011-11 965 973