Invited Speaker -- Static Analysis for Safe Destructive Updates in a Functional Language -- Program Transformation and Equivalence -- A Transformation Technique for Datalog Programs Based on Non-deterministic Constructs -- On Deforesting Parameters of Accumulating Maps -- Equivalence in Answer Set Programming -- Program Verificaion -- Proof Theory, Transformations, and Logic Programming for Debugging Security Protocols -- Abstract Conjunctive Partial Deduction Using Regular Types and Its Application to Model Checking -- Verification of Sets of Infinite State Processes Using Program Transformation -- Program Analysis -- When Size Does Matter -- Symbolic Profiling for Multi-paradigm Declarative Languages -- Program Development -- Correct Object-Oriented Systems in Computational Logic -- A Framework for Developing Embeddable Customized Logics -- Computing Environment-Aware Agent Behaviours with Logic Program Updates -- Program Synthesis -- Extracting General Recursive Program Schemes in Nuprl’s Type Theory -- Extracting Exact Time Bounds from Logical Proofs.