Learning Implicit Sentiment in Aspect-based Sentiment Analysis with Supervised Contrastive Pre-Training Zhengyan Li author Yicheng Zou author Chong Zhang author Qi Zhang author Zhongyu Wei 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 li-etal-2021-learning-implicit 10.18653/v1/2021.emnlp-main.22 https://aclanthology.org/2021.emnlp-main.22/ 2021-11 246 256