[Welke et al. "Probabilistic Frequent Subtrees for Efficient Graph Classification and Retrieval." Machine Learning, 2018.](https://mlanthology.org/mlj/2018/welke2018mlj-probabilistic/) doi:10.1007/S10994-017-5688-7
@article{welke2018mlj-probabilistic,
title = {{Probabilistic Frequent Subtrees for Efficient Graph Classification and Retrieval}},
author = {Welke, Pascal and Horváth, Tamás and Wrobel, Stefan},
journal = {Machine Learning},
year = {2018},
pages = {1847-1873},
doi = {10.1007/S10994-017-5688-7},
volume = {107},
url = {https://mlanthology.org/mlj/2018/welke2018mlj-probabilistic/}
}