@article{expertknowledgeguidedlengthvariant,
  title = {Expert Knowledge-Guided Length-Variant Hierarchical Label Generation for Proposal Classification},
  author = {Meng Xiao and Ziyue Qiao and Yanjie Fu and Yi Du and Pengyang Wang},
  year = {2021},
  eprint = {2109.06661},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.06661v2},
}