@article{findingallbayesiannetworkstructures,
  title = {Finding All Bayesian Network Structures within a Factor of Optimal},
  author = {Zhenyu A. Liao and Charupriya Sharma and James Cussens and Peter van Beek},
  year = {2018},
  eprint = {1811.05039},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1811.05039v1},
}