Optimization of the normalization of fuzzy relational databases by using alternative methods of calculation for the Fuzzy Functional Dependency. - Marcel Shirvanian; Wolfram-Manfred Lippe (FUZZ-IEEE, 2008)

Optimierung von Datenbanksystemen zur Verwaltung von Fuzzy-Daten. - Marcel Shirvanian (2009)

Reevaluation of the storage of numerical fuzzy data in multidimensional indexes. - Marcel Shirvanian; Wolfram-Manfred Lippe (FUZZ-IEEE, 2009)

Efficiency increase of fuzzy query languages by using indexes for selected operations. - Marcel Shirvanian; Wolfram-Manfred Lippe (FUZZ-IEEE, 2009)