Application of SuperSQL Query Language for the Migration from a Relational to Object-Oriented Database. - Shiro Udoguchi; Tadashi Iijima; Motomichi Toyama (IDEAS, 2000)

Acquiring and Refining Class Hierarchy Design of Web Application Integration Software. - Satoshi Minegishi; Naoki Fukuta; Tadashi Iijima; Takahira Yamaguchi (PAKM, 2004)

On Implementing Ontology-Based Semantic Application Integration Framework for Web-Based Portals. - Naoki Fukuta; Tetsuya Osawa; Tadashi Iijima; Takahira Yamaguchi (SAINT Workshops, 2005)

Semantic Service Integration Support for Web Portal. - Naoki Fukuta; Tetsuya Osawa; Tadashi Iijima; Takahira Yamaguchi (Web Intelligence, 2005)

A Coauthoring Method of Keyword Dictionaries for Knowledge Combination on Corporate Discussion Web Sites. - Shinji Takao; Tadashi Iijima; Akito Sakurai (HCI (9), 2009)

Design and Implementation of a Context-Based Security Model. - Tadashi Iijima; Satoshi Kido (JCKBSE, 2014)

Foreword. - Tadashi Iijima (IEICE Trans. Inf. Syst., 2016)