Welcome to the 6th International Conference on Open Source Systems of the IFIP Working Group 2. 13. This year was the ?rst time this international conf- ence was held in North America. We had a large number of high-quality papers, highlyrelevantpanelsandworkshops, acontinuationofthepopulardoctoralc- sortium, and multiple distinguished invited speakers. The success of OSS 2010 was only possible because an Organizing Committee, a Program Committee, Workshop and Doctoral Committees, and authors of research manuscripts from over 25 countries contributed their time and interest to OSS 2010. In the...

Review: This book offers a comprehensive body of knowledge related to the Method Engineering discipline. It provides a summary and synthesis of all past efforts in this domain and clarifies the domain terminology. I suggest it to every researcher interested in the art of method design, not only in software engineering but also in other fields. Marko Bajec, University of Ljubljana, Slovenia I am confident this text will prove an invaluable resource for those interested in improving the standard of software development and the resulting software applications. from the foreword by Mary O'Kane,...