@InProceedings{takamura-inui-okumura:2005:ACL,
  author    = {Takamura, Hiroya  and  Inui, Takashi  and  Okumura, Manabu},
  title     = {Extracting Semantic Orientations of Words using Spin Model},
  booktitle = {Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL'05)},
  month     = {June},
  year      = {2005},
  address   = {Ann Arbor, Michigan},
  publisher = {Association for Computational Linguistics},
  pages     = {133--140},
  url       = {http://www.aclweb.org/anthology/P/P05/P05-1017}
}