Datalog, units and information hiding. - Foto N. Afrati; Isambo Karali; Theodoros Mitakos (LMO, 1997)

On Inheritance in Object Oriented Datalog. - Foto N. Afrati; Isambo Karali; Theodoros Mitakos (IADT, 1998)

Representing Context-Dependent Information Using Multidimensional XML. - Yannis Stavrakas; Manolis Gergatsoulis; Theodoros Mitakos (ECDL, 2000)