@InProceedings{takamatsu-sato-nakagawa:2012:ACL2012,
  author    = {Takamatsu, Shingo  and  Sato, Issei  and  Nakagawa, Hiroshi},
  title     = {Reducing Wrong Labels in Distant Supervision for Relation Extraction},
  booktitle = {Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)},
  month     = {July},
  year      = {2012},
  address   = {Jeju Island, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {721--729},
  url       = {http://www.aclweb.org/anthology/P12-1076}
}