Online markup based language learning environment. - Hiroaki Ogata; Cheng Feng 003; Yoshiaki Hada; Yoneo Yano (Comput. Educ., 2000)

XML-Based Video Annotation System for Language Learning Environment. - Yoshiaki Hada; Hiroaki Ogata; Yoneo Yano (WISE (1), 2001)

K-tai Campus: University-Sharing Campus Information System Applicable to Mobile Phone and PC. - Yoshiaki Hada; Masanori Shinohara; Yasutaka Shimizu (WMTE, 2005)

Development of an Annotation-Based Classroom Activities Support Environment Using Digital Appliance, Mobile Device and PC. - Yoshiaki Hada; Masanori Shinohara (HCI (9), 2009)

Implementing Learning Design Specification using Extensible Learner-adaptive Environment. - Kiyoshi Nakabayashi; Yosuke Morimoto; Yoshiaki Hada; Kumiko Aoki (ICCE, 2010)

Development of a Mobile Video Learning System for Cellular Phone. - Yoshiaki Hada (WMUTE, 2012)

Supporting Face-to-Face Class with Mobile Device. - Yoshiaki Hada (ICCE, 2017)