@inproceedings{bu2012string,
  title={String re-writing kernel},
  author={Bu, Fan and Li, Hang and Zhu, Xiaoyan},
  booktitle={Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics: Long Papers-Volume 1},
  pages={449--458},
  year={2012},
  organization={Association for Computational Linguistics}
}