@article{structureboostefficientgradientboosting,
  title = {StructureBoost: Efficient Gradient Boosting for Structured Categorical Variables},
  author = {Brian Lucena},
  year = {2020},
  eprint = {2007.04446},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.04446v1},
}