Invited Talk 1 -- Type Processing by Constraint Reasoning -- Session 1 -- Principal Type Inference for GHC-Style Multi-parameter Type Classes -- Private Row Types: Abstracting the Unnamed -- Type and Effect System for Multi-staged Exceptions -- Session 2 -- Relational Reasoning for Recursive Types and References -- Proof Abstraction for Imperative Languages -- Reading, Writing and Relations -- Session 3 -- A Fine-Grained Join Point Model for More Reusable Aspects -- Automatic Testing of Higher Order Functions -- Invited Talk 2 -- Event Driven Software Quality -- Session 4 -- Widening Polyhedra with Landmarks -- Comparing Completeness Properties of Static Analyses and Their Logics -- Polymorphism, Subtyping, Whole Program Analysis and Accurate Data Types in Usage Analysis -- Session 5 -- A Modal Language for the Safety of Mobile Values -- An Analysis for Proving Temporal Properties of Biological Systems -- Computational Secrecy by Typing for the Pi Calculus -- Invited Tutorial -- Scheme with Classes, Mixins, and Traits -- Session 6 -- Using Metadata Transformations to Integrate Class Extensions in an Existing Class Hierarchy -- Combining Offline and Online Optimizations: Register Allocation and Method Inlining -- A Localized Tracing Scheme Applied to Garbage Collection -- Session 7 -- A Pushdown Machine for Recursive XML Processing -- XML Validation for Context-Free Grammars -- A Practical String Analyzer by the Widening Approach -- Session 8 -- A Bytecode Logic for JML and Types -- On Jones-Optimal Specializers: A Case Study Using Unmix.