@article{rkcoreanestablishedmethodologyfor,
  title = {RK-core: An Established Methodology for Exploring the Hierarchical Structure within Datasets},
  author = {Yao Lu and Yutian Huang and Jiaqi Nie and Zuohui Chen and Qi Xuan},
  year = {2023},
  eprint = {2310.12168},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2310.12168v1},
}