A comprehensive structural-based similarity measure in directed graphs

@article{Zhang2015ACS,
  title={A comprehensive structural-based similarity measure in directed graphs},
  author={Mingxi Zhang and Hao Hu and Zhenying He and Liping Gao and Liujie Sun},
  journal={Neurocomputing},
  year={2015},
  volume={167},
  pages={147-157}
}