BERT4GCN: Using BERT Intermediate Layers to Augment GCN for Aspect-based Sentiment Classification Zeguan Xiao author Jiarun Wu author Qingliang Chen author Congjian Deng 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 xiao-etal-2021-bert4gcn 10.18653/v1/2021.emnlp-main.724 https://aclanthology.org/2021.emnlp-main.724/ 2021-11 9193 9200