@article{towardssparsehierarchicalgraphclassifier,
  title = {Towards Sparse Hierarchical Graph Classifiers},
  author = {Cătălina Cangea and Petar Veličković and Nikola Jovanović and Thomas Kipf and Pietro Liò},
  year = {2018},
  eprint = {1811.01287},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1811.01287v1},
}