Invited Papers.- Model-Based Knowledge Representation and Reasoning Via Answer Set Programming.- On the Algebraic Foundation of Proof Assistants for Intuitionistic Type Theory.- Substructural Type Systems for Program Analysis.- Refereed Papers.- Integrating Answer Set Reasoning with Constraint Solving Techniques.- Optimizing Compilation of CHR with Rule Priorities.- Constructive Arithmetic.- Certified Exact Real Arithmetic Using Co-induction in Arbitrary Integer Base.- Pure, Declarative, and Constructive Arithmetic Relations (Declarative Pearl).- Dependent Types.- On-Demand Refinement of Dependent Types.- Proving Properties about Lists Using Containers.- Rewriting.- Termination of Narrowing in Left-Linear Constructor Systems.- Complexity Analysis by Rewriting.- Rewriting and Call-Time Choice: The HO Case.- Program Transformation.- Semantics and Pragmatics of New Shortcut Fusion Rules.- A Generalization of the Folding Rule for the Clark-Kunen Semantics.- Logic and Lambda-Calculus.- Types for Hereditary Head Normalizing Terms.- A New Translation for Semi-classical Theories - Backtracking without CPS.- Types.- Undoing Dynamic Typing (Declarative Pearl).- Typed Dynamic Control Operators for Delimited Continuations.- Strictness Analysis Algorithms Based on an Inequality System for Lazy Types.- Constraints II.- Quantitative Logic Programming Revisited.- Formalizing a Constraint Deductive Database Language Based on Hereditary Harrop Formulas with Negation.- Debugging.- Declarative Diagnosis of Missing Answers in Constraint Functional-Logic Programming.- EasyCheck - Test Data for Free.
