@article{alearningbasedbranchandboundformaximum,
  title = {A Learning based Branch and Bound for Maximum Common Subgraph Problems},
  author = {Yan-li Liu and Chu-min Li and Hua Jiang and Kun He},
  year = {2019},
  eprint = {1905.05840},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1905.05840v2},
}