Identifying Student Engagement and Performance from Reading Behaviors in Open eBook Assessment. - Brendan Flanagan; Rwitajit Majumdar; Kensuke Takii; Patrick Ocheja; Mei-Rong Alice Chen; Hiroaki Ogata (ICCE, 2020)

Impact of School Closure during COVID19 Emergency: A Time Series Analysis of Learning Logs. - Hiroyuki Kuromiya; Rwitajit Majumdar; Taisyo Kondo; Taro Nakanishi; Kensuke Takii; Hiroaki Ogata (ICCE, 2020)

Efficiency or Engagement: Comparison of Book Recommendation Approaches in English Extensive Reading. - Kensuke Takii; Brendan Flanagan; Hiroaki Ogata (ICCE, 2020)

EFL Vocabulary Learning Using a Learning Analytics-based E-book and Recommender Platform. - Kensuke Takii; Brendan Flanagan; Hiroaki Ogata (ICALT, 2021)

EXAIT: A Symbiotic Explanation Learning System. - Brendan Flanagan; Kyosuke Takami; Kensuke Takii; Yiling Dai; Rwitajit Majumdar (ICCE, 2021)

Explainable English Material Recommendation Using an Information Retrieval Technique for EFL Learning. - Kensuke Takii; Brendan Flanagan; Huiyong Li 002; Yuanyuan Yang; Hiroaki Ogata (ICCE, 2022)

A Learning Path Recommendation System for English Grammar Quiz Using Knowledge Map. - Naomichi Tanimura; Kensuke Takii; Brendan Flanagan; Hiroaki Ogata (ICCE, 2022)

Supporting Peer Help Recommendation Based on Learner-Knowledge Model. - Peixuan Jiang; Kensuke Takii; Changhao Liang; Rwitajit Majumdar; Hiroaki Ogata (ICCE, 2023)

Construction of an English Grammar Quiz Recommendation System Using Explanation by a Knowledge Map. - Kensuke Takii; Naomichi Tanimura; Brendan Flanagan; Hiroaki Ogata (ICCE, 2023)

Proficiency Modeling in Junior High Math: Adapted Cognitive Statistical Models to E-Book Learning Contexts. - Changhao Liang; Kensuke Takii; Hiroaki Ogata (ICCE, 2024)

Identifying Key Indicators of Proficiency in Junior High Math: Roles of Daily Handwriting Learning Logs. - Yudai Okayama; Changhao Liang; Kensuke Takii; Hiroaki Ogata (ICCE, 2024)

OKLM: Open Knowledge and Learner Model Using Educational Big Data. - Kensuke Takii; Changhao Liang; Hiroaki Ogata (ICCE, 2024)

EXAIT: Educational eXplainable Artificial Intelligent Tools for personalized learning. - Hiroaki Ogata; Brendan Flanagan; Kyosuke Takami; Yiling Dai; Ryosuke Nakamoto; Kensuke Takii (Res. Pract. Technol. Enhanc. Learn., 2024)

Explainable eBook recommendation for extensive reading in K-12 EFL learning. - Kensuke Takii; Brendan Flanagan; Huiyong Li 002; Yuanyuan Yang; Kento Koike; Hiroaki Ogata (Res. Pract. Technol. Enhanc. Learn., 2024)

Information as Interpretation: Measuring Learning Behavior for Knowledge Insight. - Kensuke Takii; Changhao Liang; Hiroaki Ogata (IEEE Access, 2025)