Invited Articles -- Audition of Web Services for Testing Conformance to Open Specified Protocols -- A Core Theory of Interfaces and Architecture and Its Impact on Object Orientation -- Making Specifications Complete Through Models -- Bus Scheduling for TDL Components -- Refinement and Consistency in Component Models with Multiple Views -- Articles by Participants -- A Taxonomy on Component-Based Software Engineering Methods -- Unifying Hardware and Software Components for Embedded System Development -- On the Composition of Compositional Reasoning -- Trustworthy Instantiation of Frameworks -- Performance Prediction of Component-Based Systems -- Towards an Engineering Approach to Component Adaptation -- Compatible Component Upgrades Through Smart Component Swapping -- Exceptions in Component Interaction Protocols – Necessity -- Coalgebraic Semantics for Component Systems -- A Type Theoretic Framework for Formal Metamodelling.