Foundations of Information and Knowledge Systems 6th International Symposium, FoIKS 2010, Sofia, Bulgaria, February 15-19, 2010. Proceedings

Invited Talks.- Tools and Techniques in Qualitative Reasoning about Space.- A Simple but Formal Semantics for XML Manipulation Languages.- Algorithmic Definability and Completeness in Modal Logic.- Regular Articles.- A Probabilistic Temporal Logic That Can Model Reasoning about Evidence.- An Algorithm for Generating Nash Stable Coalition Structures in Hedonic Games.- Conjunctive Queries with Constraints: Homomorphism, Containment and Rewriting.- Enhancing Dung’s Preferred Semantics.- On the Distance of Databases.- On the Existence of Armstrong Data Trees for XML Functional Dependencies.- Polymorphism in Datalog and Inheritance in a Metamodel.- Possibilistic Semantics for Logic Programs with Ordered Disjunction.- Semantic Web Search Based on Ontological Conjunctive Queries.- Semantically Characterizing Collaborative Behavior in an Abstract Dialogue Framework.- The Relationship of the Logic of Big-Stepped Probabilities to Standard Probabilistic Logics.- Theoretical Foundations for Enabling a Web of Knowledge.- Towards Controlled Query Evaluation for Incomplete First-Order Databases.- Bagging Decision Trees on Data Sets with Classification Noise.- Evolving Schemas for Streaming XML.- ONTO-EVO A L an Ontology Evolution Approach Guided by Pattern Modeling and Quality Evaluation.- Towards a Paradoxical Description Logic for the Semantic Web.- Towards a Unified Model of Preference-Based Argumentation.- Two Complementary Classification Methods for Designing a Concept Lattice from Interval Data.