日本語
The University of Electro-Communications 
Graduate School of Informatics and Engineering, School of Informatics and Engineering 
"Department of Computer and Network Engineering, Cluster I (Informatics and Computer Engineering)" 

Assistant Professor 
Masaki UTO 

Personal website  

Career
The University of Electro-Communications  The Graduate School of Informatics and Engineering  Assistant professor  2016/04/01-Present 
The University of Electro-Communications  The Graduate School of Information Systems  Assistant professor  2015/10/01-2016/03/31 
Nagaoka University of Technology  工学研究科  Project Assistant Professor  2014/02/01-2015/09/30 
GOGA, Inc.  Systems Engineer  2012/12/01-2014/01/24 

Academic background
The University of Electro-Communications  Graduate School of Information Systems  Department of Social Intelligence and Informatics (Doctor's Course)  Doctoral program  2013/09/30  Completed 
The University of Electro-Communications  Graduate School of Information Systems  Department of Social Intelligence and Informatics (Master's course)  Master's program  2011/03/24  Completed 
The University of Electro-Communications  電気通信学部  The Department of Human Communication  2009/03/24  Graduated 
栃木県立栃木高等学校卒業  2005/03/31  Graduated 

Academic degrees
博士(工学)  The University of Electro-Communications  2013/09/30 
修士(工学)  The University of Electro-Communications  2011/03/24 

Licenses and qualifications
博士前期課程研究指導担当資格(Mマル合)  2019/04/01 

Classes responsible within the university
2019  情報領域演習第二  Spring semester  Undergraduate, daytime 
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Current research areas
Statistical science 
Mathematical informatics 
Educational technology 

Research keywords
Bayesian Statistics 
Machine Learning 
Data Science 
Educational Technology 
Test Theory 
Natural Language Processing 

Current research subjects
大規模レイティングの解析手法とその応用  2014-Present 
統計的自然言語処理技術に基づく自動採点技術の開発  2017-Present 
統計的自然言語処理に基づく論理構造判定手法の開発  2014-Present 
ベイジアンネットワーク構造の厳密解探索アルゴリズム  2012-Present 
マルコフ情報源の多重度推定法  2010-Present 

Published papers
Paper  Yes  Time- and learner-dependent hidden Markov model for writing process analysis using keystroke log data.  Joint  Masaki Uto, Yoshimitsu Miyazawa, Yoshihiro Kato, Koji Nakajima, Hajime Kuwata  International Journal of Artificial Intelligence in Education, Springer  in press  2020 
Paper  Yes  Group optimization to maximize peer assessment accuracy using item response theory and integer programming  Joint  Masaki Uto, Duc-Thien Nguyen, Maomi Ueno  IEEE Transactions on Learning Technologies, IEEE Computer Society  In press  2019 
Paper  Yes  Multidimensional Item Response Theory Model for Performance Assessment  Joint  Shudai Yagi, Masaki Uto  The IEICE transactions on information and systems  J102-D/ 10, 708-720  2019/10/01 
Paper  Yes  IRT topic model for essay type tests using rating data and text information  Only  Masaki Uto  The IEICE transactions on information and systems  J102-D/ 8, 553-566  2019/08/01 
Paper  Yes  Item response theory for dynamic assessment  Joint  Emiko Tsutsumi, Masaki Uto, Maomi Ueno  The IEICE transactions on information and systems  J102-D/ 2, 79-92  2019/02/01 
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Research presentations
Oral presentation for an academic conference  時系列学習データを用いた隠れマルコフIRTによる高精度パフォーマンス予測  467th annual meeting of the Behaviormetric Society  No  Emiko Tsutsumi, Masaki Uto, Maomi Ueno  2019/09/06 
Oral presentation for an academic conference  Automated Essay Scoring considering rater bias  Information Processing Society of Japan, Special Interest Group of Natural Language Processing (IPSJ-SIGNL)  No  Masashi Okano, Masaki Uto  2019/08/29 
Oral presentation for an academic conference  項目反応理論と機械学習技術を用いた小論文評価手法  Japan association for research on testing  No  Masaki Uto  2019/08/28 
Oral presentation for an academic conference  受験者の解答履歴を利用した短答式問題自動採点手法  Young Researcher Association for NLP Studies  No  Yuto Uchida, Masaki Uto  2019/08/26 
Oral presentation for an academic conference  Longitudinal trend and current challenges in pre-clinical clerkship OSCE 2: Formation  The 51st Annual Meeting of the Japan Society for Medical Education  No  Motofumi Yoshida, Keiko Uchida, Takeshi Morimoto, Yoshio Nitta, Keiko Nogami, Masaki Uto, Yume Nakata, Junji Otaki, Nobuhiko Saito  2019/07/26 
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Awards
The Behaviormetric Society "Hidano Tadashi and Mizuno Kinji Award (Encouragement Award)"  2019/09/05 
言語処理学会 若手の会 第14回シンポジウム 萌芽研究賞  受験者の解答履歴を利用した短答式問題自動採点手法  2019/08/28 
The 33rd Annual Conference of the Japanese Society for Artificial Intelligence  Hidden Markov IRT model as a generalization of Bayesian Knowledge Tracing  2019/08/01 
人工知能学会 研究会優秀賞  レイティングデータとテキスト情報を用いて受験者の能力を推定する項目反応トピックモデルの提案  2019/06/27 
人工知能学会 先進的学習科学と工学研究会 若手奨励賞  パフォーマンス評価における多次元段階反応モデルの提案と評価  2019/04/15 
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Grants-in-aid for scientific research
信頼性向上を持続するeテスティング・プラットフォームの開発  Scientific research (S)  2019/04/01-2024/03/31 
Development of non-cognitive ability test based on item response theory  "Scientific research (C), general"  2019/04/01-2023/03/31 
小論文自動採点実用化のためのルーブリックを考慮した項目反応理論の開発  Challenging exploratory research  2019/04/01-2022/03/31 
パフォーマンス評価のための項目反応理論とその運用モデルの開発  Young scientists (A)  2017/04/01-2021/03/31 
確率的アプローチに基づく小論文の論理性自動評価システムの開発  Challenging exploratory research  2017/04/01-2020/03/31 
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Memberships of academic societies
International Artificial Intelligence in Education Society  2018/04/27-Present 
The Japanese Society for Artificial Intelligence  2018/04/01-Present 
言語処理学会  2017/07/19-Present 
日本行動計量学会  2017/04/01-Present 
Association for Computational Linguistics (ACM)  2017/01/01-Present 
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Committee or council involvement
日本テスト学会第18回大会  実行委員  2019/10-Present 
日本テスト学会  表彰制度選考委員  2019/04/01-2021/03/31 
人工知能学会・先端的学習科学と工学研究会(ALST)  専門委員  2018/04/01-Present 
人事院 試験研究委員  試験研究委員  2017/11/01-Present 
独立行政法人大学入試センター 仕様策定委員会  評価委員  2017/09/25-Present 
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Committee activity in the University
計算機運営委員会(IS)  2019/04-Present 
学生支援センター運営委員(I専攻)  2018/04-Present 
学生支援センター運営委員(1類)  2018/04-Present 
教務委員(IS-SS)  2017/04-2019/03 
学生支援担当  2017/04-2018/03 
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