Relation Extraction with Word Graphs from N-grams Han Qin author Yuanhe Tian author Yan Song 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 qin-etal-2021-relation 10.18653/v1/2021.emnlp-main.228 https://aclanthology.org/2021.emnlp-main.228/ 2021-11 2860 2868