Ohkawa Yuichi

オオカワユウイチ | Ohkawa Yuichi

Affiliation and department：
Job title： Assistant Professor

Research field (3)： Educational technology , Intelligent informatics , Communication and network engineering

Research keywords (3)： educational technology , speech recognition , acoustic modeling

Research theme for competitive and other funds (17)：

2024 - 2028 非母語話者のスマートフォン音声認識機能での誤認識傾向を考慮した発音学習システム
2024 - 2028 日本人初修中国語学習者の単語発音コーパス構築と発音判定可能な単語練習アプリの開発
2020 - 2024 Development of a smartphone review environment for blended learning that enhances learning motivation
2019 - 2023 AIを活用した大学初修中国語会話復習用アプリ教材の開発と検証
2019 - 2023 Development and Practice of The Environment for Sustainable Learning with Self-regulated Micro Learning and Exploratory Learning Analytics

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Papers (155)：

Xiumin Zhao, Yuichi Ohkawa, Takashi Mitsuishi, Toshihiro Ueno, Xuan Wang, Wen Gui, Yao Yao, Xiaorong Zhang. Development and Practical Trial of Full Blended Learning in Second Language Classes for Beginners at University. Proceedings of eLearn2024. 2024. 324-331
Takuro Ozaki, Yuichi Ohkawa, Takashi Sato, Takashi Mitsuishi. Consideration of Online Exam Methods for Iterated Learning Retention. Proceedings of eLearn2024. 2024
横尾晟希, 大河雄一, 趙秀敏, 三石大, 菅沼拓夫, 髙橋晶子. 多様な規模の組織に応じた学習分析のための動的な分散処理手法の設計. マルチメディア通信と分散処理ワークショップ論文集. 2024. 32. 78-84
Akiko Takahashi, Syuya Chiba, Hikaru Abe, Yuichi Okawa, Tomoya Ohyama, Takashi Mitsuishi. DESIGN OF COMMUNICATION ENVIRONMENT FOR COLLABORATIVE LEARNING IN THE METAVERSE. EDULEARN Proceedings. 2024. 2024. 9337-9341
Zahra Azizah, Tomoya Ohyama, Xiumin Zhao, Yuichi Ohkawa, Takashi Mitsuishi. Predicting at-risk students in the early stage of a blended learning course via machine learning using limited data. Computers and Education: Artificial Intelligence. 2024. 7. 100261. 1-10

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MISC (5)：

Namekata Yoshitada, Ohkawa Yuichi, Mitsuishi Takashi. N-007 A Development of an Additional Guide System for Initial Study of LMS without System Modification. 2012. 11. 4. 307-308
大河雄一. 高解像度Flash講義ビデオ自動収録・配信システムの試作. 東北大学インターネットスクール年報. 2009. 5. 23-28
大河雄一, 中島平, 三石大. ISTUシステムの情報シナジーセンターへの移設実施報告. 東北大学インターネットスクール年報. 2008. 4. 39-44
OHKAWA Yuichi, SUZUKI Motoyuki, MAKINO Shozo. An investigation on unification of several acoustic databases having different recording conditions. 1999. 1999. 2. 13-14
OHKAWA Yuichi, SUZUKI Motoyuku, MAKINO Shozo. An Investigation on construction of common phoneme information structure from several acoustic databases. 1999. 1999. 1. 177-178

Books (1)：

KOTOTOMO ことばを友にプラス(増課)
朝日出版社 2023 ISBN:9784255453750

Lectures and oral presentations (140)：

多様な規模の組織に応じた学習分析のための動的な分散処理手法の設計
(第32回マルチメディア通信と分散処理ワークショップ 2024)
Development and Practical Trial of Full Blended Learning in Second Language Classes for Beginners at University
(eLearn2024 2024)
Consideration of Online Exam Methods for Iterated Learning Retention
(eLearn2024 2024)
Design of Communication Environment for Collaborative Learning in The Metaverse
(EDULEARN24 2024)
A Trial of Digital Transformation of Elementary Chinese Language Teaching in Japanese University: Blended learning model and its teaching effectiveness
(the School of Languages at XJTLU Conference 2024)

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Works (1)：

スマートフォンアプリ KoToToMo Plus
大河雄一 2018 - 現在

Education (2)：

1998 - 2003 Tohoku University Graduate School, Division of Information Science Department of Computer and Mathematical Sciences
- 1998 Tohoku University Faculty of Engineering Facility of Information Engineering

Professional career (1)：

Doctor of Information Sciences (Tohoku University)

Work history (4)：

2018/04 - 現在 Tohoku University Graduate School of Education Assistant Professor
2007/04 - 2018/03 Tohoku University Research Division, Graduate School of Educational Informatics Assistant Professor
2003/06 - 2007/03 Tohoku University Research Division, Graduate School of Educational Informatics Research Associate
2003/04 - 2003/05 Tohoku University Graduate School of Engineering Research Associate

Committee career (7)：

2024/04 - 現在教育システム情報学会第49回全国大会現地大会実行委員会委員
2021/06 - 現在教育システム情報学会関東支部副支部長
2021/03 - 現在東北大学デジタル教育アドバイザリ・グループ委員
2020/04 - 2024/03 教育学習支援情報システム研究運営委員会運営委員
2020 - 2021/03 東北大学新型コロナウィルス感染症対策遠隔授業ワーキンググループ委員

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Awards (5)：

2024/10 - 第32回マルチメディア通信と分散処理ワークショップ最優秀論文賞多様な規模の組織に応じた学習分析のための動的な分散処理手法の設計
2021/03 - 東北大学学務審議会全学教育貢献賞
2021/03 - 東北大学総長教育賞
2018/05 - 2018 5th International Conference on Business and Industrial Research Outstanding Paper Award
2010/06 - コンピュータ利用教育協議会学生論文賞

Association Membership(s) (4)：

Information Processing Society of Japan , Japanese Society for Information and Systems in Education , The Institute of Electronics, Information and Communication Engineering , Acoustical Society of Japan

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