An Equivalence between Dependencies in Nested Databases and a Fragment of Propositional Logic, 12th Workshop on Logic, Language, Information and Computation (WoLLIC), Florianopolis, Brazil, 21.07.2005 (Slides pdf-file)

Functional Dependencies on Nested Attributes: Algebraic, Logical and Topological Perspective, 1st International Workshop on Logical Aspects and Applications of Integrity Constraints, 16th International Conference on Database and Expert Systems Applications (DEXA), Copenhagen, Denmark, 26.08.2005 (Slides pdf-file)

On Multivalued Dependencies in fixed and undetermined Universes (What Planet are you from?), Information Systems Seminar Series, Dept of Information Systems, Palmerston North, 20.09.2005