@inproceedings{sun2015open,
  title={Open domain question answering via semantic enrichment},
  author={Sun, Huan and Ma, Hao and Yih, Wen-tau and Tsai, Chen-Tse and Liu, Jingjing and Chang, Ming-Wei},
  booktitle={Proceedings of the 24th International Conference on World Wide Web},
  pages={1045--1055},
  year={2015},
  organization={International World Wide Web Conferences Steering Committee}
}