Keynotes -- Reexamining the Role of Interactions in Software Architecture -- Are Successful Test Cases Useless or Not? -- QoSA Long Papers -- DoSAM – Domain-Specific Software Architecture Comparison Model -- An Architecture-Centric Approach for Producing Quality Systems -- A Model-Oriented Framework for Runtime Monitoring of Nonfunctional Properties -- Predicting Mean Service Execution Times of Software Components Based on Markov Models -- An XML-Based Language to Support Performance and Reliability Modeling and Analysis in Software Architectures -- Formal Definition of Metrics Upon the CORBA Component Model -- The Architect’s Dilemma – Will Reference Architectures Help? -- Architectural Reuse in Software Systems In-house Integration and Merge – Experiences from Industry -- Supporting Security Sensitive Architecture Design -- Exploring Quality Attributes Using Architectural Prototyping -- On the Estimation of Software Reliability of Component-Based Dependable Distributed Systems -- Empirical Evaluation of Model-Based Performance Prediction Methods in Software Development -- SOQUA Long Papers -- Automatic Test Generation for N-Way Combinatorial Testing -- Automated Generation and Evaluation of Dataflow-Based Test Data for Object-Oriented Software -- Automated Model-Based Testing of ? Simulation Models with TorX -- Jartege: A Tool for Random Generation of Unit Tests for Java Classes -- FlexTest: An Aspect-Oriented Framework for Unit Testing -- Quality Assurance in Performance: Evaluating Mono Benchmark Results.