Nobuhiro Kaji, Ph.D. (鍜治 伸裕)

Profile

Nobuhiro Kaji is senior chief researcher at Yahoo Japan Corporation. Formerly, he was research associate, research assistant professor, and research associate professor at IIS, the University of Tokyo. He was also senior researcher at NICT. He received Ph.D. in information science and technology from the University of Tokyo in 2005. His research interests are in natural language processing and machine learning. E-mail address is: nkaji(at)yahoo-corp.jp.

Peer-reviewed Conference Publication

Approved Patents

  • Nobuhiro Kaji. Japanese Patent 6235082 (2017.11.2)
  • Nobuhiro Kaji. Japanese Patent 6224857 (2017.10.13)
  • Toru Shimizu, Hayato Kobayashi, Nobuyuki Shimizu, Kohei Sugawara, Tatsuhiro Niwa, and Nobuhiro Kaji. Japanese Patent 6205039 (2017.9.8)
  • Nobuhiro Kaji. Japanese Patent 6199517 (2017.9.1)
  • Nobuhiro Kaji. Japanese Patent 6199461 (2017.9.1).

Invited Talks

  • 音声対話アシスタントに関する最近の研究動向とYahoo! JAPAN研究所での取り組み. 第20回情報論的学習理論ワークショップ. 2017年11月.
  • 大規模発話ログデータを活用した音声対話処理. 情報処理学会 第232回自然言語処理研究会. 2017年7月.
  • 言い換えと逆翻字を用いた片仮名複合名詞の分割. 言語処理学会第19回年次大会. 2013年3月.
  • CGMテキストを対象とした自然言語処理: 今後の展望と課題. 第1回Webインテリジェンスとインタラクション研究会. 2012年12月.
  • 新しい語・崩れた表記. 情報処理学会第74回全国大会 実世界自然言語処理への挑戦セッション. 2012年3月. (笹野遼平氏との共同講演).
  • テキストからの評判分析と機械学習. 人工知能学会 第73回人工知能基本問題研究会. 2009年3月.
  • An Attempt on Sentiment Analysis, Seminar at Rakuten Corp., Tokyo, Japan, 2006.
  • Automatic Construction of Polarity-tagged Corpus from HTML Documents, Seminar at Yahoo Japan Corp., Tokyo, Japan, 2006.

Books

  • Ryoko Uno, Nobuhiro Kaji, and Masaru Kitsuregawa. ウェブコーパスの広がりから現れるオノマトペの二つの境界. Kazuko Shinohara and Ryoko Uno (eds.), Sound Symbolism and Mimetics: Rethinking the relationship between sound and meaning in language, Hituzi Shobo.
  • Nobuhiro Kaji, Daisuke Kawahara, Sadao Kurohashi, and Satoshi Sato. 2013. Paraphrasing Predicates based on Case Frame Alignment. Timothy Baldwin, Francis Bond, Kentaro Inui, Shun Ishizaki, Hiroshi Nakagawa and Akira Shimazu (eds.), Readings in Japanese Natural Language Processing, pages 231-244, CSLI Publications.
  • Sadao Kurohashi, Daisuke Kawahara, Nobuhiro Kaji, and Tomohide Shibata. 2007. Automatic Text Presentation for the Conversational Knowledge Process. Toyoaki Nishida (ed.), Conversational Informatics: An Engineering Approach, pages 201-216, John Wiley&Sons, Ltd.

Software and Linguistic Resources

  • Software
    • HMP: Hidden Markov perceptron for large-scale sequence labeling [link]
  • Linguistic resources
    • Polar phrase dictionary [link]
    • Automatically constructed polarity-tagged corpus [link]

Professional Activities

  • PC member/reviewer (international conferences)
    • IJCAI (2018)
    • DST6 dialogue breakdown detection challenge
    • IJCNLP (2017)
    • EACL (2017)
    • AAAI (2017, 2018)
    • The 2nd Workshop on Noisy User-generated Text (W-NUT2016, 2017)
    • International Conference on Emerging Databases (EDB2016)
    • SocialNLP (2016)
    • BigComp (2016)
    • Workshop on Data Discretization and Segmentation for Knowledge Discovery (DDS2013)
    • ACL (2016, 2017)
    • NAACL (2012, 2016, 2018)
    • EMNLP (2012, 2014, 2015, 2017)
    • Coling (2012, 2014, 2016)
    • WWW (2009-2013, 2015, 2017)
    • ICDM (2008-2013)
    • APWeb (2012-2013)
  • PC (co-)chair (domestic conferences)
    • YANS (2009-2011)
  • PC member (domestic conferences)
    • DBSJ Social Computing Symposium (2014)
    • WebDB Forum (2013, 2015)
    • JSAI SIG-FPAI (2013-2015)
    • NLP (2012, 2013)
    • IEICE Technical Committee on Thought and Language (2012-present)
    • YANS (2006, 2007)
  • Editorial committee member
    • Transactions of the Japanese Society for Artificial Intelligence (2015-present)
    • Journal of Natural Language Processing (2012-2013)
    • IPSJ Journal/Journal of Information Processing (2011-2015)