Invited Talks -- Achieving Type Safety for Low-Level Code -- Logic Information Systems for Logic Programmers -- A Logic Programming View of Authorization in Distributed Systems -- Compositional Verification of Infinite State Systems -- A Constraint-Based Approach to Structure Prediction for Simplified Protein Models That Outperforms Other Existing Methods -- Invited Tutorials -- Concurrency, Time, and Constraints -- Symbolic Model-Checking for Biochemical Systems -- Component-Based Software Development and Logic Programming -- A Tutorial on Proof Theoretic Foundations of Logic Programming -- Regular Papers -- Objective: In Minimum Context -- Handling Existential Derived Predicates in View Updating -- Efficient Evaluation of Logic Programs for Querying Data Integration Systems -- Argumentation Databases -- Order and Negation as Failure -- Computing Minimal Models, Stable Models, and Answer Sets -- Uniform Equivalence of Logic Programs under the Stable Model Semantics -- Answer Set Programming Phase Transition: A Study on Randomly Generated Programs -- Termination Analysis with Types Is More Accurate -- A Propagation Tracer for GNU-Prolog: From Formal Definition to Efficient Implementation -- Intensional Sets in CLP -- Implementing Constraint Propagation by Composition of Reductions -- Forward versus Backward Verification of Logic Programs -- Native Preemptive Threads in SWI-Prolog -- Flow Java: Declarative Concurrency for Java -- On the Complexity of Dependent And-Parallelism in Logic Programming -- Higher-Order Substitution Tree Indexing -- Incremental Evaluation of Tabled Logic Programs -- On Deterministic Computations in the Extended Andorra Model -- Timed Concurrent Constraint Programming: Decidability Results and Their Application to LTL -- Is There an Optimal Generic Semantics for First-Order Equations? -- Loop Formulas for Disjunctive Logic Programs -- Default Knowledge in Logic Programs with Uncertainty -- Posters -- A Generic Persistence Model for (C)LP Systems -- Definitions in Answer Set Programming -- A New Mode Declaration for Tabled Predicates -- Adding the Temporal Relations in Semantic Web Ontologies -- Polynomial-Time Learnability from Entailment -- Integration of Semantic Networks for Corpus-Based Word Sense Disambiguation -- Development and Application of Logical Actors Mathematical Apparatus for Logic Programming of Web Agents -- A Real Implementation for Constructive Negation -- Simulating Security Systems Based on Logigrams -- Online Justification for Tabled Logic Programs -- Inducing Musical Rules with ILP -- A Distinct-Head Folding Rule -- Termination Analysis of Logic Programs -- Refactoring Logic Programs -- Termination of Logic Programs for Various Dynamic Selection Rules -- Adding Preferences to Answer Set Planning -- Controlling Semi-automatic Systems with FLUX -- The Language Model LMNtal.