Approach for Customer Feedback Analysis task 長岡技術科学大学 自然言語処理研究室 上脇優人 Pintu Lohar, Koel Dutta Chowdhury, Haithem Afli, Mohammed Hasanuzzaman and Andy Way Proceedings of the 8th International Joint Conference on Natural Language Processing, Shared Tasks, 2017, pages 161–169 8月文献紹介