@article{ipoolinformationbasedpoolingin,
  title = {iPool -- Information-based Pooling in Hierarchical Graph Neural Networks},
  author = {Xing Gao and Hongkai Xiong and Pascal Frossard},
  year = {2019},
  eprint = {1907.00832},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1907.00832v2},
}