1991 - 1993 Development of the Unified Medical Thesaurus for Information Retrieval
1986 - 1987 Study on multimedia database management system arclritecture
1985 - 1986 Research on Formula Manipulation Expert System Based on Database of Mathematical Formulas
1984 - 1986 Development of Multi-Paradigm Oriented Programming Environment based on Concurrent LISP
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Papers (32):
Yoshifumi Masunaga, Yugo Nagata, Tatsuo Ishii. Updatability of Cross Join Views as a Consistent Labeling Problem. DBSJ Japanese Journal. 2021. Vol.19-J. ArticleNo.1. 1-9
Yoshifumi Masunaga, Yugo Nagata, Tatsuo Ishii. Updatability of Views based on the Intention-based Approach and its Proof of Concept on PostgreSQL. DBSJ Japanese Journal. 2020. Vol.18-J. ArticleNo.1. 1-8
Yoshifumi Masunaga, Yugo Nagata, Tatsuo Ishii. Making Join Views Updatable on Relational Database Systems in Theory and in Practice. Proc. 13th ACM IMCOM. 2019
Yoshifumi Masunaga, Yugo Nagata, Tatsuo Ishii. Extending the View Updatability of Relational Databases from Set Semantics to Bag Semantics and Its Implementation on PostgreSQL. Proc. 12th ACM IMCOM. 2018. 8-3-1-8-3-8
Yugo Nagata, Yoshifumi Masunaga. Extending View Updatability by a Novel Theory. PGCon 2017, The PostgreSQL Conference. 2017
2005/07 - DBSJ Best Paper Award Development of a Prototype System of the Japanese Virtual Observatory (JVO)
2002/09 - IEICE Fellow
2001/03 - IPSJ Fellow
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Association Membership(s) (4):
The Association for Computing Machinary
, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS
, INFORMATION PROCESSING SOCIETY OF JAPAN
, THE DATABASE SOCIETY OF JAPAN