Evaluating Navigation History Comparison. - Koichi Ota; Akihiro Kashihara (KES (3), 2005)

Guided Map for Scaffolding Navigation Planning as Meta-Cognitive Activity in Hyperspace. - Akihiro Kashihara; Mitsuyoshi Nakaya; Koichi Ota (ICCE, 2006)

Controllable Scaffolding for Navigation Planning in Hyperspace. - Akihiro Kashihara; Koichi Ota (ICCE, 2007)

Mining Collective Knowledge for Reconstructing Learning Resource. - Koichi Ota; Akihiro Kashihara (ICCE, 2010)

Reconstructing Learning Resource with Collective Knowledge. - Koichi Ota; Akihiro Kashihara (ICCE, 2010)

Promoting Reflection on Question Decomposition in Web-based Investigative Learning. - Yoshiki Sato; Akihiro Kashihara; Shinobu Hasegawa; Koichi Ota; Ryo Takaoka (ICCE, 2019)

Light'em: A Multiplexed Lighting System. - Koichi Ota; Yuki Ban; Rui Fukui; Shin'ichi Warisawa (SIGGRAPH ASIA Emerging Technologies, 2019)

Adaptive recommendation for question decomposition in Web-based investigative learning. - Miki Hagiwara; Akihiro Kashihara; Shinobu Hasegawa; Koichi Ota; Ryo Takaoka (TALE, 2019)

Learner's Mental State Estimation with PC Built-in Camera. - Shinobu Hasegawa; Atsushi Hirako; Xianwen Zheng; Shofiyati Nur Karimah; Koichi Ota; Teruhiko Unoki (HCI (26), 2020)

Estimation of Learners' Engagement Using Face and Body Features by Transfer Learning. - Xianwen Zheng; Shinobu Hasegawa; Minh-Tuan Tran; Koichi Ota; Teruhiko Unoki (HCI (36), 2021)

An Automatic Focal Period Detection Architecture for Lecture Archives. - Ruozhu Sheng; Koichi Ota; Shinobu Hasegawa (AIED (2), 2022)

Development of a Learning Companion Robot with Adaptive Engagement Enhancement. - Bowei Yao; Koichi Ota; Akihiro Kashihara; Teruhiko Unoki; Shinobu Hasegawa (ICCE, 2022)

Engagement Estimation using Time-series Facial and Body Features in an Unstable Dataset. - Xianwen Zheng; Minh-Tuan Tran; Koichi Ota; Teruhiko Unoki; Shinobu Hasegawa (ICCE, 2022)

Automatic Region of Interest Prediction from Instructor's Behaviors in Lecture Archives. - Yuhui Yang; Koichi Ota; Wen Gu; Shinobu Hasegawa (KSE, 2022)

Automatic Summarization for Academic Articles using Deep Learning and Reinforcement Learning with Viewpoints. - Jinghong Li; Hatsuhiko Tanabe; Koichi Ota; Wen Gu; Shinobu Hasegawa (FLAIRS, 2023)

ABMs in Game Approach for Physics Learning. - Chenkai Zhu; Wen Gu; Koichi Ota; Shinobu Hasegawa (ICA, 2023)

A Skill Tracing Model for Player Character Control in STG. - Peizhe Huang; Wanxiang Li; Wen Gu; Koichi Ota; Shinobu Hasegawa (ICCE, 2023)

A Text Block Refinement Framework For Text Classification and Object Recognition From Academic Articles. - Jinghong Li; Koichi Ota; Wen Gu; Shinobu Hasegawa (INISTA, 2023)

Concept and Initial Learning Log Analysis for Lecture Archive Summarization Platform. - Shinobu Hasegawa; Xiaoting Liu; Wen Gu; Koichi Ota (TENCON, 2023)

Design of Voice Style Detection of Lecture Archives. - Xiaoting Liu; Wen Gu; Koichi Ota; Shinobu Hasegawa (TENCON, 2023)

A Low-Jitter Hand Tracking System for Improving Typing Efficiency in Virtual Reality Workspace. - Tianshu Xu; Wen Gu; Koichi Ota; Shinobu Hasegawa (TENCON, 2023)

A Framework For Refining Text Classification and Object Recognition from Academic Articles. - Jinghong Li; Koichi Ota; Wen Gu; Shinobu Hasegawa (CoRR, 2023)

Object Recognition from Scientific Document based on Compartment Refinement Framework. - Jinghong Li; Wen Gu; Koichi Ota; Shinobu Hasegawa (CoRR, 2023)

Multiplexed lighting system using time-division multiplexing. - Yuki Ban; Koichi Ota; Rui Fukui; Shin'ichi Warisawa (J. Ambient Intell. Humaniz. Comput., 2023)

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 (ICCE, 2024)

Hierarchical Tree-structured Knowledge Graph For Academic Insight Survey. - Jinghong Li; Huy Phan; Wen Gu; Koichi Ota; Shinobu Hasegawa (INISTA, 2024)

A Survey Forest Diagram: Gain a Divergent Insight View on a Specific Research Topic. - Jinghong Li; Wen Gu; Koichi Ota; Shinobu Hasegawa (SMC, 2024)

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 (SMC, 2024)

Investigation of Correspondence Between Learner Sensory Processing Sensitivity and Different Avatars in Online Lectures. - Sean Mirai Riese; Koichi Ota; Wen Gu; Shinobu Hasegawa (SMC, 2024)

An Academic Presentation Support System Utilizing Structural Elements. - Kazuma Takahashi; Wen Gu; Koichi Ota; Shinobu Hasegawa (IEICE Trans. Inf. Syst., 2024)

Object Recognition from Scientific Document Based on Compartment and Text Blocks Refinement Framework. - Jinghong Li; Wen Gu; Koichi Ota; Shinobu Hasegawa (SN Comput. Sci., 2024)

Spotlight Contents Extraction from Text-Based Online Discussion. - Zhizhong Wang; Wen Gu; Zhaoxing Li; Koichi Ota; Shinobu Hasegawa (IEICE Trans. Inf. Syst., 2025)

PICSU: A Japanese Vocabulary Learning System with Object Recognition and Lexical Database. - Meihua Xue; Kazuki Sugita; Koichi Ota; Wen Gu; Shinobu Hasegawa (IEICE Trans. Inf. Syst., 2025)

Development and Evaluation of a Low-Jitter Hand Tracking System for Improving Typing Efficiency in a Virtual Reality Workspace. - Tianshu Xu; Wen Gu; Koichi Ota; Shinobu Hasegawa (Multimodal Technol. Interact., 2025)