Liao, Zhenyu A., Charupriya Sharma, James Cussens, and Peter van Beek. 2019. “Finding All Bayesian Network Structures Within a Factor of Optimal”. Proceedings of the AAAI Conference on Artificial Intelligence 33 (01):7892-99. https://doi.org/10.1609/aaai.v33i01.33017892.