YNU-HPCC at IJCNLP-2017 Task 4: Attention-based Bi-directional GRU Model for Customer Feedback Analysis Task of English Nan Wang author Jin Wang author Xuejie Zhang author 2017-12 text Proceedings of the IJCNLP 2017, Shared Tasks Chao-Hong Liu editor Preslav Nakov editor Nianwen Xue editor Asian Federation of Natural Language Processing Taipei, Taiwan conference publication wang-etal-2017-ynu https://aclanthology.org/I17-4029/ 2017-12 174 179