@inproceedings{howknowledgegraphandattentionhelpa1,
  title = {How Knowledge Graph and Attention Help? A Qualitative Analysis into Bag-level Relation Extraction},
  author = {Zikun Hu and Yixin Cao and Lifu Huang and Tat-Seng Chua},
  year = {2021},
  booktitle = {ACL 2021 5},
  url = {https://aclanthology.org/2021.acl-long.359},
}