@InProceedings{narita-mizuno-inui:2013:IJCNLP,
  author    = {Narita, Kazuya  and  Mizuno, Junta  and  Inui, Kentaro},
  title     = {A Lexicon-based Investigation of Research Issues in Japanese Factuality Analysis},
  booktitle = {Proceedings of the Sixth International Joint Conference on Natural Language Processing},
  month     = {October},
  year      = {2013},
  address   = {Nagoya, Japan},
  publisher = {Asian Federation of Natural Language Processing},
  pages     = {587--595},
  url       = {http://www.aclweb.org/anthology/I13-1067}
}