@article{hierarchicalsubspacelearningfor,
  title = {Hierarchical Subspace Learning for Dimensionality Reduction to Improve Classification Accuracy in Large Data Sets},
  author = {Parisa Abdolrahim Poorheravi and Vincent Gaudet},
  year = {2021},
  eprint = {2105.12005},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.12005v1},
}