Enhancing Aspect Term Extraction with Soft Prototypes Zhuang Chen author Tieyun Qian author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication chen-qian-2020-enhancing 10.18653/v1/2020.emnlp-main.164 https://aclanthology.org/2020.emnlp-main.164/ 2020-11 2107 2117