An Advanced Database System ADAM - Towards Integrated Management of Engineering Data. - Yosihisa Udagawa; Tetsuo Mizoguchi (ICDE, 1984)

An Extended Relational Database System for Engineering Data Management. - Yosihisa Udagawa; Tetsuo Mizoguchi (IEEE Database Eng. Bull., 1984)

An Extended Relational Database System and It's Application to Management of Logic Diagrama. - Yosihisa Udagawa; Tetsuo Mizoguchi (VLDB, 1986)

Implementation and Evaluation of a Browsing Algorithm for Design Applications. - Yosihisa Udagawa (ICDE, 1991)