Kohei Ozaki

Computational Linguistics Laboratory,
Graduate School of Information Science,
Nara Institute of Science and Technology
8916-5 Takayama, Ikoma, Nara 630-0192, Japan

Contact

kohei-o (o) is.naist.jp

Research Interest

My research interests lie primarily in graph-based machine learning techniques & its application to natural language processing.

Machine Learning : Semi-supervised Learning, Graph Construction, Classification
Natural Language Processing : Word Sense Disambiguation, Summarization

Publications

Conference papers (refereed)

Kohei Ozaki, Masashi Shimbo, Mamoru Komachi, Yuji Matsumoto : Using the Mutual k-Nearest Neighbor Graphs for Semi-supervised Classification on Natural Language Data, In Proceedings of the Fifteenth Conference on Computational Natural Language Learning (CoNLL 2011)., Portland, Oregon, (June. 2011) [pdf]
Asad Habib, Masayuki Asahara, Yuji Matsumoto and Kohei Ozaki : JaPak IEOU: Japan-Pakistan's Input English Output Urdu (A Case Sensitive Proposed Standard Input System for Perso-Arabic Script Clients), In Proceedings of the 2nd IEEE International Conrefence on Information and Emerging Technologies (ICIET 2010)., Karachi, Pakistan, (June. 2010)

Theses

Kohei Ozaki: Mutual k-Nearest Neighbor Graphs for Semi-Supervised Learning, Master's Thesis (NAIST-IS-MT0951027), 2011.

(show/hide other papers written in Japanese)

Honor and Award

2012.03 : IPSJ Yamashita SIG Research Award 2011, Information Processing Society of Japan.
2010.05 : Best Student Paper Award, Special Interest Group of Natural Language Processing of the Information Processing Society of Japan.
2008.06 : Dean's Award for Excellence, the Faculty of Science and Engineering, Tokyo University of Science, Japan.

Working Experience

2012.05 ~ present : Engineer at mixi, inc.
2012.03 ~ 2012.04 : Graduate Student Researcher at Nara Institute of Science and Technology.
2011.04 ~ 2012.02 : Engineer at Hatena Co., Ltd.
2009.08 ~ 2009.10 : Summer Research Internship at Toshiba Corporate Research & Development Center.
2008.09 ~ 2009.03 : Part-time Engineer at Hatena Co., Ltd.
2008.09 : Summer Internship at Hatena Co., Ltd.

Last update: 2011-03-01 06:37