The LNCS journal Transactions on Aspect-Oriented Software Development is devoted to all facets of aspect-oriented software development (AOSD) techniques in the context of all phases of the software life cycle, from requirements and design to implementation, maintenance and evolution. The focus of the journal is on approaches for systematic identification, modularization, representation and composition of crosscutting concerns, and evaluation of such approaches and their impact on improving quality attributes of software systems. This volume, the sixth in the Transactions on Aspect-Oriented Software Development series, focuses on the theme of aspects and model-driven engineering. The seven papers included in this issue give an in-depth coverage of the following topics: methods |