Abstracts of the Keynotes -- Intrinsic Definition in Software Architecture Evolution -- A Component-Based Approach to Adaptive User-Centric Pervasive Applications -- Model-Driven Analysis -- Validating Model-Driven Performance Predictions on Random Software Systems -- Statistical Inference of Software Performance Models for Parametric Performance Completions -- Parameterized Reliability Prediction for Component-Based Software Architectures -- Architecture-Driven Reliability and Energy Optimization for Complex Embedded Systems -- Quality of Service Adaptation -- QoS Driven Dynamic Binding in-the-many -- A Hybrid Approach for Multi-attribute QoS Optimisation in Component Based Software Systems -- Using QoS-Contracts to Drive Architecture-Centric Self-adaptation -- Case Studies and Experience Reports -- Is BPMN Really First Choice in Joint Architecture Development? An Empirical Study on the Usability of BPMN and UML Activity Diagrams for Business Users -- Barriers to Modularity - An Empirical Study to Assess the Potential for Modularisation of Java Programs -- Evaluating Maintainability with Code Metrics for Model-to-Model Transformations -- Good Architecture = Good (ADL + Practices).