How Knowledge Graph and Attention Help? A Qualitative Analysis into Bag-level Relation Extraction Zikun Hu author Yixin Cao author Lifu Huang author Tat-Seng Chua author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication hu-etal-2021-knowledge 10.18653/v1/2021.acl-long.359 https://aclanthology.org/2021.acl-long.359/ 2021-08 4662 4671