@InProceedings{zhang-EtAl:2013:Short3,
  author    = {Zhang, Xingxing  and  Zhang, Jianwen  and  Zeng, Junyu  and  Yan, Jun  and  Chen, Zheng  and  Sui, Zhifang},
  title     = {Towards Accurate Distant Supervision for Relational Facts Extraction},
  booktitle = {Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {810--815},
  url       = {http://www.aclweb.org/anthology/P13-2141}
}