@inproceedings{pdsparseaprimalanddualsparseapproach,
  title = {PD-Sparse : A Primal and Dual Sparse Approach to Extreme Multiclass and Multilabel Classification},
  author = {Ian En-Hsu Yen and Xiangru Huang and Pradeep Ravikumar and Kai Zhong and Inderjit S. Dhillon},
  year = {2016},
  booktitle = {ICML 2016 6},
  url = {https://dl.acm.org/doi/10.5555/3045390.3045713},
}