@InProceedings{ozaki-EtAl:2011:CoNLL,
  author    = {Ozaki, Kohei  and  Shimbo, Masashi  and  Komachi, Mamoru  and  Matsumoto, Yuji},
  title     = {Using the Mutual k-Nearest Neighbor Graphs for Semi-supervised Classification on Natural Language Data},
  booktitle = {Proceedings of the Fifteenth Conference on Computational Natural Language Learning},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {154--162},
  url       = {http://www.aclweb.org/anthology/W11-0318}
}