Xia2021Graph.md

@article{Xia2021Graph,
  title={Graph Learning: A Survey},
  author={Xia, Feng and Sun, Ke and Yu, Shuo and Aziz, Abdul and Wan, Liangtian and Pan, Shirui and Liu, Huan},
  journal={arXiv preprint arXiv:2105.00696},
  year={2021}
}