@article{howcangraphneuralnetworkshelpdocument,
  title = {How Can Graph Neural Networks Help Document Retrieval: A Case Study on CORD19 with Concept Map Generation},
  author = {Hejie Cui and Jiaying Lu and Yao Ge and Carl Yang},
  year = {2022},
  eprint = {2201.04672},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.04672v1},
}