@InProceedings{higashinaka-EtAl:2014:Coling,
  author    = {Higashinaka, Ryuichiro  and  Imamura, Kenji  and  Meguro, Toyomi  and  Miyazaki, Chiaki  and  Kobayashi, Nozomi  and  Sugiyama, Hiroaki  and  Hirano, Toru  and  Makino, Toshiro  and  Matsuo, Yoshihiro},
  title     = {Towards an open-domain conversational system fully based on natural language processing},
  booktitle = {Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers},
  month     = {August},
  year      = {2014},
  address   = {Dublin, Ireland},
  publisher = {Dublin City University and Association for Computational Linguistics},
  pages     = {928--939},
  url       = {http://www.aclweb.org/anthology/C14-1088}
}