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Habilitation in Information Systems, TU Vienna, 1996
Thesis: Disjunctive Deductive Databases: Theoretical Foundations and Implementation
Title: Univ.-Doz.
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PhD in Computer Science, University of Karlsruhe, 1992
Thesis: Nonmonotonic reasoning and semantics of logic programs
Title: Dr. rer. nat.
Grade: summa cum laude
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Diploma in Mathematics, University of Heidelberg, 1986
Thesis: Model-theory of (ultra-) metric vector spaces
Title: Dipl.-Math.
Grade: sehr gut
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Abitur, Gutenberg-Gymnasium Wiesbaden, 1979
Grade: 1.0