2011

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Discriminative Method for Japanese Kana-Kanji Input Method
Hiroyuki Tokunaga | Daisuke Okanohara | Shinsuke Mori
Proceedings of the Workshop on Advances in Text Input Methods (WTIM 2011)

2009

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Learning Combination Features with L1 Regularization
Daisuke Okanohara | Jun’ichi Tsujii
Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers

2008

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Modeling Latent-Dynamic in Shallow Parsing: A Latent Conditional Model with Improved Inference
Xu Sun | Louis-Philippe Morency | Daisuke Okanohara | Yoshimasa Tsuruoka | Jun’ichi Tsujii
Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008)

2007

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A discriminative language model with pseudo-negative samples
Daisuke Okanohara | Jun’ichi Tsujii
Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics

2006

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Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition
Daisuke Okanohara | Yusuke Miyao | Yoshimasa Tsuruoka | Jun’ichi Tsujii
Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics

2005

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Assigning Polarity Scores to Reviews Using Machine Learning Techniques
Daisuke Okanohara | Jun’ichi Tsujii
Second International Joint Conference on Natural Language Processing: Full Papers