@article{graphbasedsemisupervisedlearninga,
  title = {Graph-based Semi-supervised Learning: A Comprehensive Review},
  author = {Zixing Song and Xiangli Yang and Zenglin Xu and Irwin King},
  year = {2021},
  eprint = {2102.13303},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.13303v1},
}