@inproceedings{discretegraphstructurelearningfor1,
  title = {Discrete Graph Structure Learning for Forecasting Multiple Time Series},
  author = {Chao Shang and Jie Chen and Jinbo Bi},
  year = {2021},
  booktitle = {ICLR 2021 1},
  eprint = {2101.06861},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.06861v3},
}