Design of a Generalized Balanced Multiple-Valued File Organization Scheme of Order Two. - Sumiyasu Yamamoto; Shinsei Tazawa; Kazuhiko Ushio; Hideto Ikeda (SIGMOD Conference, 1978)

Design of a Balanced Multiple Valued File Organization Schema with the Least Redundancy. - Sumiyasu Yamamoto; Shinsei Tazawa; Kazuhiko Ushio; Hideto Ikeda (ACM Trans. Database Syst., 1979)

Structure of Generalized Binary Queries Having the Consecutive Retrieval Property. - Shinsei Tazawa (FODO, 1981)

Design of File Organization Schemes for Selected Query Set on Binary-Valued Attributes and Their Redundancies - Shinsei Tazawa (Inf. Control., 1981)

On the Consecutive Retrieval Property for Generalized Binary Queries. - Shinsei Tazawa (Inf. Process. Lett., 1984)

Mixed-Type Multiple-Valued Filing Scheme of Order One and Two. - Shinsei Tazawa (FODO, 1985)

Enumeration of digraphs with given number of vertices of odd out-degree and vertices of odd in-degree. - Shinsei Tazawa; Teruhiro Shirakura; Saburo Tamura (Discret. Math., 1991)

The number of 4-cycles in triangle-free oriented graphs. - Shinsei Tazawa; Chiê Nara; John W. Moon (Discret. Math., 1995)

Enumeration of unlabelled graphs with specified degree parities. - Chiê Nara; Shinsei Tazawa (Discret. Math., 1998)

On separable self-complementary graphs. - Ken-ichi Kawarabayashi; Atsuhiro Nakamoto; Yoshiaki Oda; Katsuhiro Ota; Shinsei Tazawa; Mamoru Watanabe (Discret. Math., 2002)

Enumeration of Bipartite Self-Complementary Graphs. - Makoto Ueno; Shinsei Tazawa (Graphs Comb., 2014)