Publication

Preprints

• Hung Tuan Nguyen, Cuong Tuan Nguyen, Haruki Oka, Masaki Nakagawa and Tsunenori Ishioka. (2022) Fully automatic scoring of handwritten descriptive answers in Japanese language tests. arXiv. https://arxiv.org/abs/2201.03215  (Updated on Jan. 10, 2022)

論文誌

• Osaka, J., Maeda, A., Oka, H., Mori, Y., Ishioka, T., & Suyari, H. (2025). Reliable and efficient automated short-answer scoring for a large dataset using active learning and deep learning. Interactive Learning Environments, 1–12. https://doi.org/10.1080/10494820.2025.2452005

国際会議（査読つき論文あり）

• Haruki Oka, Yoshito Tan, Tsunenori Ishioka and Kensuke Okada. Systematic Control of Multiple-Choice Item Difficulty  through LLM-Based Distractor Generation. International Conference on Artificial Intelligence in Education (AIED) 2025. [Accepted as Practitioners, Industry, Policy Track paper, acceptance rate= 32%, CORE Rank=A] 

• Masaki Nakagawa, Hung Tuan Nguyen, Nghia Thanh Truong, Nam Tuan Ly, Cuong Tuan Nguyen, Haruki Oka, Tsunenori Ishioka, Tomo Asakura, Hiroshi Miyazawa, Takahiro Yamamoto, Toshihiko Horie, Fumiko Yasuno. Two Experiments for Automatic Scoring of Handwritten Descriptive Answers. 2024. 16th IAPR International Workshop on Document Analysis Systems (DAS 2024)  [Accepted as full paper, full paper acceptance rate= ???%, CORE Rank=B] 

• Hung Tuan Nguyen, Cuong Tuan Nguyen, Haruki Oka, Tsunenori Ishioka, and Masaki Nakagawa. Handwriting recognition and automatic scoring for descriptive answers in Japanese language tests. International Conference on Frontiers in Handwriting Recognition (ICFHR) 2022. [Accepted as full paper, full paper acceptance rate= ???%, CORE Rank=B] 

• Haruki Oka, Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa and Tsunenori Ishioka. Fully Automated Short Answer Scoring of the Trial Tests for Newly Conducted Common Entrance Examinations for Japanese University. International Conference on Artificial Intelligence in Education (AIED) 2022. [Accepted as full paper, full paper acceptance rate= 20.3%, CORE Rank=A] 

国際会議(論文なし)

• Haruki Oka, Yoshito Tan, Tsunenori Ishioka and Kensuke Okada. Refinement of Automatic Item Generation for Mathematical Questions: Applying Item Response Theory to Large Language Models. International Meeting of the Psychometric Society (IMPS) 2024, July 2024. (Poster)

• Haruki Oka, Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa and Tsunenori Ishioka. Short Answer Scoring of the trial test for Japanese Common University Entrance Examination. International Meeting of the Psychometric Society (IMPS) 2021, online, July 2021. (Oral)

国内会議

• 岡知樹, 岡田謙介. 音声授業に基づくLLM活用自動作問システムの開発と評価. 日本テスト学会第23回大会, 東京大学, 2025年9月. (Oral)

• 麻坂順風, 岡知樹, 森 康久仁, 石岡 恒憲, 須鎗 弘樹. 機械学習におけるアクティブラーニングを用いた学習データ選定による 自動採点システムの精度向上. 日本テスト学会第20回大会, online, 2022年9月. (Oral)

• 岡知樹, Hung Tuan Nguyen, Cuong Tuan Nguyen, 中川正樹, 石岡恒憲.  大学入学共通テスト試行調査における短答式記述答案の完全自動採点. 言語処理学会第28回年次大会(NLP2022), 浜松 online, 2022年3月. (Oral)

• 石岡恒憲, 岡知樹, Nguyen Tuan Hung, Nguyen Tuan Cuong, 中川正樹. 共通テストの試行調査国語記述回答データを用いた完全自動採点のアルゴリズムとその性能. 日本テスト学会第19回大会, online, 2021年9月. (Oral)

• 岡知樹, Nguyen Tuan Hung, Nguyen Tuan Cuong, 中川正樹, 石岡恒憲. 大学入学共通テスト試行調査における記述式問題の自動採点. 計算機統計学会第35回大会, online, 2021年6月. (Oral)

• 岡知樹, 岡田謙介. 言語情報による心理尺度の妥当性検証. 日本計算機統計学会若手セミナー2020, online , 2020年9月. (Oral)

メディア

• 日本経済新聞 2021年12月21日　「記述式答案、AI採点『ほぼ人間並み』　12万件で精度検証」

• 日本教育新聞 2021年9月27日　「AIによる自動採点　記述問題で人間と同水準」