An Empirical Study on Leveraging Position Embeddings for Target-oriented Opinion Words Extraction Samuel Mensah author Kai Sun author Nikolaos Aletras 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 mensah-etal-2021-empirical 10.18653/v1/2021.emnlp-main.722 https://aclanthology.org/2021.emnlp-main.722/ 2021-11 9174 9179