@article{howknowledgegraphandattentionhelpa,
  title = {How Knowledge Graph and Attention Help? A Quantitative Analysis into Bag-level Relation Extraction},
  author = {Zikun Hu and Yixin Cao and Lifu Huang and Tat-Seng Chua},
  year = {2021},
  eprint = {2107.12064},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.12064v1},
}