This Festschrift, published in honor of Bernhard Thalheim on the occasion of his 60th birthday presents 20 articles by colleagues from all over the world with whom Bernhard Thalheim had cooperation in various respects;

Dedication to a Theory of Modelling: Bernhard Thalheim’s Scientific JourneyWhat about Constraints in RDF?Some Remarks on Relational Database Schemes Having Few Minimal KeysRandom Databases with Correlated DataStatistical Inference for R´enyi Entropy FunctionalsThe Subject-Oriented Approach to Software Design and the Abstract State Machines Methods BCNF via Attribute Splitting Foundations for a Fourth Normal Form over SQL-Like DatabaseIndependent Update Reflections on Interdependent Database ViewsSOF : A Semantic Restriction over Second-Order Logic and Its Polynomial-Time Hierarchy Abstract State Machines for Data-Parallel ComputingOSM-Logic: A Fact-Oriented, Time Dependent Formalization of Object-oriented Systems Modeling Cloaking Data to Ease View Creation, Query Expression, and Query Execution On Models of Concepts and Data Model Transformation By-Example: A Survey of the First WaveOn Computing the Importance of Associations in Large Conceptual Schemas Conceptual Modeling of Human Genome: Integration ChallengesTransforming Geometrically Enhanced Conceptual Model Schemas to GMLExtensional Logic of Hyperintensions Culture Sensitive Aspects in Software EngineeringCross-Cultural Multimedia Computing with Impression-Based Semantic Spaces

This Festschrift, published in honor of Bernhard Thalheim on the occasion of his 60th birthday presents 20 articles by colleagues from all over the world with whom Bernhard Thalheim had cooperation in various respects; also included is a scientific biography contributed by the volume editors.The 20 contributions reflect the breadth and the depth of the work of Bernhard Thalheim in conceptual modeling and database theory during his scientific career spanning more than 35 years of active research. In particular, ten articles are focusing on topics like database dependency theory, object-oriented databases, triggers, abstract state machines, database and information systems design, web semantics, and business processes.