@article{compactnessscoreafastfiltermethodfor,
  title = {Compactness Score: A Fast Filter Method for Unsupervised Feature Selection},
  author = {Peican Zhu and Xin Hou and Keke Tang and Zhen Wang and Feiping Nie},
  year = {2022},
  eprint = {2201.13194},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.13194v3},
}