@article{JMLR:v23:21-0085,
  author  = {Hsiang-Fu Yu and Kai Zhong and Jiong Zhang and Wei-Cheng Chang and Inderjit S. Dhillon},
  title   = {PECOS: Prediction for Enormous and Correlated Output Spaces},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {98},
  pages   = {1--32},
  url     = {http://jmlr.org/papers/v23/21-0085.html}
}