@article{onefficientmultilevelclusteringvia,
  title = {On Efficient Multilevel Clustering via Wasserstein Distances},
  author = {Viet Huynh and Nhat Ho and Nhan Dam and XuanLong Nguyen and Mikhail Yurochkin and Hung Bui and and Dinh Phung},
  year = {2019},
  eprint = {1909.08787},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.08787v2},
}