Semantics-Preserved Data Augmentation for Aspect-Based Sentiment Analysis Ting-Wei Hsu author Chung-Chi Chen author Hen-Hsen Huang author Hsin-Hsi Chen author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication hsu-etal-2021-semantics 10.18653/v1/2021.emnlp-main.362 https://aclanthology.org/2021.emnlp-main.362/ 2021-11 4417 4422