| 2024 | ICCE | A Proposal for a Quantitative Evaluation Model for Error Image Generation in L2 Vocabulary Learning. | Kazuki Sugita, Wen Gu, Koichi Ota, Prarinya Siritanawan, Shinobu Hasegawa |
| 2024 | INISTA | Hierarchical Tree-structured Knowledge Graph For Academic Insight Survey. | Jinghong Li, Huy Phan, Wen Gu, Koichi Ota, Shinobu Hasegawa |
| 2024 | SMC | A Survey Forest Diagram: Gain a Divergent Insight View on a Specific Research Topic. | Jinghong Li, Wen Gu, Koichi Ota, Shinobu Hasegawa |
| 2024 | SMC | Fish-Bone Diagram of Research Issue: Gain a Bird's-Eye View on a Specific Research Topic. | Jinghong Li, Huy Phan, Wen Gu, Koichi Ota, Shinobu Hasegawa |
| 2024 | SMC | Investigation of Correspondence Between Learner Sensory Processing Sensitivity and Different Avatars in Online Lectures. | Sean Mirai Riese, Koichi Ota, Wen Gu, Shinobu Hasegawa |
| 2023 | FlAIRS | Automatic Summarization for Academic Articles using Deep Learning and Reinforcement Learning with Viewpoints. | Jinghong Li, Hatsuhiko Tanabe, Koichi Ota, Wen Gu, Shinobu Hasegawa |
| 2023 | ICCE | A Skill Tracing Model for Player Character Control in STG. | Peizhe Huang, Wanxiang Li, Wen Gu, Koichi Ota, Shinobu Hasegawa |
| 2023 | INISTA | A Text Block Refinement Framework For Text Classification and Object Recognition From Academic Articles. | Jinghong Li, Koichi Ota, Wen Gu, Shinobu Hasegawa |
| 2023 | Tencon | Concept and Initial Learning Log Analysis for Lecture Archive Summarization Platform. | Shinobu Hasegawa, Xiaoting Liu, Wen Gu, Koichi Ota |
| 2023 | Tencon | Design of Voice Style Detection of Lecture Archives. | Xiaoting Liu, Wen Gu, Koichi Ota, Shinobu Hasegawa |
| 2023 | Tencon | A Low-Jitter Hand Tracking System for Improving Typing Efficiency in Virtual Reality Workspace. | Tianshu Xu, Wen Gu, Koichi Ota, Shinobu Hasegawa |
| 2022 | AIED | An Automatic Focal Period Detection Architecture for Lecture Archives. | Ruozhu Sheng, Koichi Ota, Shinobu Hasegawa |
| 2022 | ICCE | Development of a Learning Companion Robot with Adaptive Engagement Enhancement. | Bowei Yao, Koichi Ota, Akihiro Kashihara, Teruhiko Unoki, Shinobu Hasegawa |
| 2022 | ICCE | Engagement Estimation using Time-series Facial and Body Features in an Unstable Dataset. | Xianwen Zheng, Minh-Tuan Tran, Koichi Ota, Teruhiko Unoki, Shinobu Hasegawa |
| 2021 | HCI | Estimation of Learners' Engagement Using Face and Body Features by Transfer Learning. | Xianwen Zheng, Shinobu Hasegawa, Minh-Tuan Tran, Koichi Ota, Teruhiko Unoki |
| 2020 | HCI | Learner's Mental State Estimation with PC Built-in Camera. | Shinobu Hasegawa, Atsushi Hirako, Xianwen Zheng, Shofiyati Nur Karimah, Koichi Ota, Teruhiko Unoki |
| 2019 | ICCE | Promoting Reflection on Question Decomposition in Web-based Investigative Learning. | Yoshiki Sato, Akihiro Kashihara, Shinobu Hasegawa, Koichi Ota, Ryo Takaoka |
| 2019 | SiggraphA | Light'em: A Multiplexed Lighting System. | Koichi Ota, Yuki Ban, Rui Fukui, Shin'ichi Warisawa |
| 2010 | ICCE | Mining Collective Knowledge for Reconstructing Learning Resource. | Koichi Ota, Akihiro Kashihara |
| 2010 | ICCE | Reconstructing Learning Resource with Collective Knowledge. | Koichi Ota, Akihiro Kashihara |
| 2007 | ICCE | Controllable Scaffolding for Navigation Planning in Hyperspace. | Akihiro Kashihara, Koichi Ota |
| 2006 | ICCE | Guided Map for Scaffolding Navigation Planning as Meta-Cognitive Activity in Hyperspace. | Akihiro Kashihara, Mitsuyoshi Nakaya, Koichi Ota |
| 2005 | KES | Evaluating Navigation History Comparison. | Koichi Ota, Akihiro Kashihara |