The integrity constraints for similarity-based fuzzy relational databases. - Adnan Yazici; Mustafa Ilker Sözat (Int. J. Intell. Syst., 1998)

A complete axiomatization for fuzzy functional and multivalued dependencies in fuzzy database relations. - Mustafa Ilker Sözat; Adnan Yazici (Fuzzy Sets Syst., 2001)