@inproceedings{yang2016combining,
  title={Combining Discrete and Neural Features for Sequence Labeling},
  author={Yang, Jie and Teng, Zhiyang and Zhang, Meishan and Zhang, Yue},
  booktitle={International Conference on Intelligent Text Processing and Computational Linguistics},
  pages={140--154},
  year={2016},
  organization={Springer}
}