1. A complete axiomatization for functional and multivalued dependencies in database relations;Beeri,1977
2. A fuzzy representation of data for relational database;Buckles;Fuzzy Sets and Systems,1982
3. Semantic distance and fuzzy user's view in fuzzy database;He;Chinese J. Comput.,1989
4. Data models of the fuzzy relational databases;He;Chinese J. Comput.,1989
5. The reduction of the fuzzy data domain and fuzzy consistent join;Liu;Fuzzy Sets and Systems,1992