Foundations of Information and Knowledge Systems

Invited Talks.- The Equational Approach to Contrary-to-duty Obligations.- A Survey of the Data Complexity of Consistent Query Answering under Key Constraints.- Regular Articles.- Arguments Using Ontological and Causal Knowledge.- Reasoning on Secrecy Constraints under Uncertainty to Classify Possible Actions.- An AIF-Based Labeled Argumentation Framework.- On the Semantics of Partially Ordered Bases.- The Structure of Oppositions in Rough Set Theory and Formal Concept Analysis - Toward a New Bridge between the Two Settings.- Enriching Taxonomies of Place Types Using Flickr.- Hintikka-Style Semantic Games for Fuzzy Logics.- A Finite Axiomatization of Conditional Independence and Inclusion Dependencies.- Guard Independence and Constraint-Preserving Snapshot Isolation.- Implication and Axiomatization of Functional Constraints on Patterns with an Application to the RDF Data Model.- View-Based Tree-Language Rewritings for XML.- EHC: Non-parametric Editing by Finding Homogeneous Clusters.- A Logic for Specifying Stochastic Actions and Observations.- Belief Revision in Structured Probabilistic Argumentation.- A Multi-granular Database Model.- Optimizing Computation of Repairs from Active Integrity Constraints.- Belief Merging in Dynamic Logic of Propositional Assignments.- Incremental Maintenance of Aggregate Views.- Towards an Approximative Ontology-Agnostic Approach for Logic Programs.