@inproceedings{wang2018hybrid,
  title={A hybrid approach for tag hierarchy construction},
  author={Wang, Shangwen and Wang, Tao and Mao, Xiaoguang and Yin, Gang and Yu, Yue},
  booktitle={International Conference on Software Reuse},
  pages={59--75},
  year={2018},
  organization={Springer}
}