A Lexicon-based Investigation of Research Issues in Japanese Factuality Analysis Kazuya Narita author Junta Mizuno author Kentaro Inui author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication narita-etal-2013-lexicon https://aclanthology.org/I13-1067/ 2013-10 587 595