@InProceedings{tsuboi-EtAl:2008:PAPERS,
  author    = {Tsuboi, Yuta  and  Kashima, Hisashi  and  Mori, Shinsuke  and  Oda, Hiroki  and  Matsumoto, Yuji},
  title     = {Training Conditional Random Fields Using Incomplete Annotations},
  booktitle = {Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008)},
  month     = {August},
  year      = {2008},
  address   = {Manchester, UK},
  publisher = {Coling 2008 Organizing Committee},
  pages     = {897--904},
  url       = {http://www.aclweb.org/anthology/C08-1113}
}