Toshihiko Sakai

Toshihiko Sakai

Researcher

GMO Pepabo, Inc.

Education

Work Experience

Awards & Fellowships

Qualifications

Presentations

Publications

International Journals

  1. Toshihiko Sakai, Nobuhiko Chiwata, Tsunenori Mine. “Named Entity Recognition with Clue-Word Tags from Patent Documents in Materials Science” IEEE Access, DOI: 10.1109/ACCESS.2026.3671976, March 9, 2026.
  2. Brendan Flanagan, Takahiko Suzuki, Jun Zeng, Chengjiu Yin, Toshihiko Sakai, Kiyota Hashimoto, Sachio Hirokawa. “Peer Knowledge Assisted Search Using Community Search Logs” International Journal of Digital Information and Wireless Communications, Vol.3, No.2, pp.1-8.
  3. Jun Zeng, Toshihiko Sakai, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa. “Automatic Generation of Tourism Quiz using Blogs” Artificial Life and Robotics, 17(3), pp.412-416.

International Conferences

  1. Toshihiko Sakai, Nobuhiko Chiwata, Tsunenori Mine. “Named Entity Recognition from Materials Science Patent Documents Using Clue Word Tags” NLPIR 2024, December 13-15, 2024.
  2. Brendan Flanagan, Takahiko Suzuki, Jun Zeng, Chengjiu Yin, Toshihiko Sakai, Kiyota Hashimoto, Sachio Hirokawa. “Focused Search using Community Search Logs” Proc. ICDIPC2013, pp.559-565, January 30-February 1, 2013.
  3. Toshihiko Sakai, Sachio Hirokawa. “Feature Words that Classify Problem Sentence in Scientific Article” 14th International Conference on Information Integration and Web-based Applications & Services (iiWAS2012), pp.360-367, December 3-5, 2012.
  4. Toshihiko Sakai, K. Hashimoto, Y. Kamisoyama, M. Okada, S. Hirokawa. "Polarity Estimation of Tweets by Feature Sets" 25th International Conference on Computer Applications in Industry and Engineering (CAINE2012), pp.105-110, November 14-16, 2012.
  5. Toshihiko Sakai, Brendan Flanagan, Jun Zeng, Tetsuya Nakatoh, Sachio Hirokawa. “Search Engine Focused on Multiple Features of Scientific Articles” Proc. AAI2012, pp.214-217, September 23, 2012.
  6. Toshihiko Sakai, M. Matsushita, B. Flanagan, J. Zeng, S. Hirokawa. “Analysis of Influence of Investor Relation Documents to Stock Price” Proc. FSKD2012, May 29-31, 2012.
  7. J. Zeng, Toshihiko Sakai, B. Flanagan, S. Hirokawa. “Extraction of Relevant Components Using Shallow Structure of HTML Documents” Proc. FSKD2012, May 29-31, 2012.
  8. Toshihiko Sakai, Jun Zeng, Brendan Flanagan, Tetsuya Nakatoh, Sachio Hirokawa. "Discriminant Words for Problems in Scientific Articles" International Symposium on Innovative E-Services and Information Systems (IEIS 2012), May 29-30, 2012.
  9. Jun Zeng, Toshihiko Sakai, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa. "Automatic Generation of Tourism Quiz using Blogs" 17th International Symposium on Artificial Life and Robotics (AROB 17th '12), pp.97-100, January 19-21, 2012.

Domestic Workshops

  1. Jun Zeng, Toshihiko Sakai, Brendan Flanagan, Sachio Hirokawa. "Extraction of feature words with the same generality level as query using restricted bootstrapping" 2012 IEEE 14th International Conference on Commerce and Enterprise Computing (CEC 2012), pp.171-176.
  2. INOKUCHI Youhei, SAKAI Toshihiko, YIN Chengjiu, HIROKAWA Sachio. "Generation of Hen-ai Map from Search Log for Foreign Language Learning" IS研究会 (IEEJ), Vol.2012, No.56, pp.169-172.

Other

  1. 酒井敏彦, 千綿伸彦, 峯恒憲. “特許文書の材料科学技術表現抽出” プロテリアル技法, Vol.39, pp.36-47.

Theses

Patents

Skills & Qualifications

Research & Technology
Natural Language Processing, Text Mining, Named Entity Recognition

Hobbies & Interests

Links