Keynote Addresses -- Competitive Product Engineering: 10 Powerful Principles for Winning Product Leadership, Through Advanced Systems Engineering, Compared to10 Failure Paths Still Popular in Current Culture -- From Products and Solutions to End-User Experiences -- Systems and Software Process Improvement -- What Formal Models Cannot Show Us: People Issues During the Prototyping Process -- Process Improvement Solution for Co-design in Radio Base Station DSP SW -- A Framework for Classification of Change Approaches Based on a Comparison of Process Improvement Models -- Systems and Software Quality -- A Qualitative Methodology for Tailoring SPE Activities in Embedded Platform Development -- An Empirical Study on Off-the-Shelf Component Usage in Industrial Projects -- A Rendezvous of Content Adaptable Service and Product Line Modeling -- A Framework for Linking Projects and Project Management Methods -- Software Defect Analysis of a Multi-release Telecommunications System -- Performance Rather than Capability Problems. Insights from Assessments of Usability Engineering Processes -- Mobile and Wireless Applications -- Using the MOWAHS Characterisation Framework for Development of Mobile Work Applications -- Design Patterns and Organisational Memory in Mobile Application Development -- Specifying Patterns for Mobile Application Domain Using General Architectural Components -- Requirements Engineering and Usability -- A Meta-model for Requirements Engineering in System Family Context for Software Process Improvement Using CMMI -- Functional and Non-functional Requirements Specification for Enterprise Applications -- Framework for Integrating Usability Practices into the Software Process -- Industrial Experiences -- Using Evolutionary Project Management (Evo) to Create Faster, More Userfriendly and More Productive Software. Experience Report from FIRM AS, a Norwegian Software Company -- Comprehensive Documentation Made Agile – Experiments with RaPiD7 in Philips -- A Case Study: Coordination Practices in Global Software Development -- A Study of a Mentoring Program for Knowledge Transfer in a Small Software Consultancy Company -- Impacts of Software Deployment in the Coffee Agribusiness of Brazil -- Case Study: Software Product Integration Practices -- Process Analysis -- Improving the Express Process Appraisal Method -- Relation Analysis Among Patterns on Software Development Process -- Process Modeling -- Tailoring RUP to a Defined Project Type: A Case Study -- Acquisition of a Project-Specific Process -- SPI Methods and Tools -- Understanding the Importance of Roles in Architecture-Related Process Improvement – A Case Study -- Improved Control of Automotive Software Suppliers -- Enterprise-Oriented Software Development Environments to Support Software Products and Processes Quality Improvement -- Experimental Software Engineering -- Evaluation of Three Methods to Predict Project Success: A Case Study -- Mega Software Engineering -- Software Development and Experimentation in an Academic Environment: The Gaudi Experience -- Validation and Verification -- Issues in Software Inspection Practices -- Risk-Based Trade-Off Between Verification and Validation – An Industry-Motivated Study -- Investigating the Impact of Active Guidance on Design Inspection -- Agile Methods -- An XP Experiment with Students – Setup and Problems -- Views from an Organization on How Agile Development Affects Its Collaboration with a Software Development Team -- Adapting PROFES for Use in an Agile Process: An Industry Experience Report -- Agile Hour: Teaching XP Skills to Students and IT Professionals -- Measurement -- Measuring Similarity of Large Software Systems Based on Source Code Correspondence -- Tool Support for Personal Software Process -- An Experience Factory to Improve Software Development Effort Estimates -- An Instrument for Measuring the Maturity of Requirements Engineering Process.On behalf of the PROFES Organizing Committee we are proud to present to you the proceedings of the 6th International Conference on Product Focused Software Process Improvement (PROFES 2005), held in Oulu, Finland. Since 1999, PROFES has established itself as one of the recognized inter- tional software process improvement conferences. Thepurposeoftheconferenceistobringtolightthemostrecent?ndingsand results in the area and to stimulate discussion between researchers, experienced professionals,andtechnologyproviders.Thelargenumberofparticipantscoming from industry con?rms that the conference provides a variety of up-to-date t- ics and tackles industry problems. The main theme of PROFES is professional software process improvement (SPI) motivated by product and service quality needs. SPI is facilitated by software process assessment, software measurement, process modeling, and technology transfer. It has become a practical tool for quality software engineering and management. The conference addresses both the solutions found in practice and the relevant research results from academia. This is re?ected in the 42 full papers, which are – as in the years before – a well-balanced mix of academic papers as well as industrial experience reports. The business of developing new applications like mobile and Internet services orenhancingthefunctionalityofavarietyofproductsusingembeddedsoftwareis rapidlygrowing,maturingandmeetingtheharshbusinessrealities.Theaccepted papers focusing on wireless and the Internet are grouped into a special “mobile and wireless” session. WewishtothankVTTElectronics,theUniversityofOuluincludingInfotech, and Fraunhofer IESE for supporting the conference. We are also grateful to the authors for high-quality papers, the Program Committee for their hard work in reviewing the papers, the Organizing Committee for making the event possible, and all the numerous supporters who helped in organizing this conference.