Conditional Augmentation for Aspect Term Extraction via Masked Sequence-to-Sequence Generation Kun Li author Chengbo Chen author Xiaojun Quan author Qing Ling author Yan Song author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication li-etal-2020-conditional 10.18653/v1/2020.acl-main.631 https://aclanthology.org/2020.acl-main.631/ 2020-07 7056 7066