@article{anonnegativefactorizationapproachtonode,
  title = {A Non-Negative Factorization approach to node pooling in Graph Convolutional Neural Networks},
  author = {Davide Bacciu and Luigi Di Sotto},
  year = {2019},
  eprint = {1909.03287},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.03287v1},
}