@article{sparsificationandfilteringforspatial,
  title = {Sparsification and Filtering for Spatial-temporal GNN in Multivariate Time-series},
  author = {Yuanrong Wang and Tomaso Aste},
  year = {2022},
  eprint = {2203.03991},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.03991v1},
}