Realization of Digital Environmental Education - A Future Style of Environmental Education in Dynamically Changing Virtual Environment. - Masaya Okada; Hiroyuki Tarumi; Tetsuhiko Yoshimura; Kazuyuki Moriya; Tetsuro Sakai (Digital Cities, 2001)

Distributed virtual environment realizing collaborative environment education. - Masaya Okada; Hiroyuki Tarumi; Tetsuhiko Yoshimura (SAC, 2001)

DigitalEE: A support system for collaborative environmental education using distributed virtual space. - Masaya Okada; Tetsuhiko Yoshimura; Hiroyuki Tarumi; Kazuyuki Moriya; Tetsuro Sakai (Syst. Comput. Jpn., 2002)

Digital-EE II: RV-Augmented Interface Design for Networked Collaborative Environmental Learning. - Masaya Okada; Akimichi Yamada; Hiroyuki Tarumi; Mizuki Yoshida; Kazuyuki Moriya (CSCL, 2003)

Temperature and Illumination Dependence of AlGaN/GaN HFET Threshold Voltage. - Masaya Okada; Ryohei Takaki; Daigo Kikuta; Jin-Ping Ao; Yasuo Ohno (IEICE Trans. Electron., 2006)

Conventional Method for Optimizing a Multiplexing System to Achieve a Reliable and Cost Effective Network. - Toshikazu Sakano; Masaru Koyanagi; Yasuhiro Hataya; Masaya Okada; Yukio Ito (GLOBECOM, 2008)

Investigation on Current Collapse of AlGaN/GaN HFET by Gate Bias Stress. - Jin-Ping Ao; Yuya Yamaoka; Masaya Okada; Cheng-Yu Hu; Yasuo Ohno (IEICE Trans. Electron., 2008)

A Study on Ohmic Contact to Dry-Etched p-GaN. - Cheng-Yu Hu; Jin-Ping Ao; Masaya Okada; Yasuo Ohno (IEICE Trans. Electron., 2008)

Multimodal Analysis of Spatial Characteristics of a Real-world Learning Field. - Masaya Okada; Masahiro Tada (WMUTE, 2012)

Understanding spatial contexts of the real world under explicit or tacit roles of location. - Masaya Okada; Masahiro Tada (OZCHI, 2013)

Formative assessment method of real-world learning by integrating heterogeneous elements of behavior, knowledge, and the environment. - Masaya Okada; Masahiro Tada (LAK, 2014)

Multimodal Analytics to Understand Self-Regulation Process of Cognitive and Behavioral Strategies in Real-World Learning. - Masaya Okada; Yasutaka Kuroki; Masahiro Tada (IEICE Trans. Inf. Syst., 2020)

Computational Learning Analytics to Estimate Location-Based Self-Regulation Process of Real-World Experiences. - Masaya Okada; Koryu Nagata; Nanae Watanabe; Masahiro Tada (IEEE Trans. Learn. Technol., 2024)