Abstract. System family engineering seeks to exploit the commonalities among systems from a given problem domain while managing the variabilities among them in a systematic way. In system family engineering, new system variants can be rapidly created based on a set of reusable assets (such as a common architecture, components, models, etc.). Generative software development aims at modeling and implementing system families in such a way that a given system can be automatically generated from a specification written in one or more textual or graphical domainspecific languages. This paper gives an overview of the basic concepts and ideas of generative software development including DSLs, domain and application engineering, generative domain models, networks of domains, and technology projections. The paper also discusses the relationship of generative software development to other emerging areas such as Model Driven Development and Aspect-Oriented Software Development. 1

Abstract. The goal of domain-specific languages (DSLs) is to increase the productivity of software engineers by abstracting from low-level boilerplate code. Introduction of DSLs in the software development process requires a smooth workflow for the production of DSLs themselves. This requires technology for designing and implementing DSLs, but also a methodology for using that technology. That is, a collection of guidelines, design patterns, and reusable DSL components that show developers how

Abstract. The domain of services for mobile communication terminals has long become a fast-moving target. Indeed, this domain has been affected by a continuous stream of technological advances on aspects ranging from physical infrastructures to mobile terminals. As a result, services for this domain are known to be very unpredictable and volatile. This situation is even worse when considering services relying heavily on multimedia activities (e.g., games, audio and/or video messages, etc.). Such an application area is very sensitive to a large variety of aspects such as terminal capabilities (graphics, CPU, etc.), bandwidth, service provider’s billing policies, QoS, and user expectations. To address these issues, we present a paradigm based on domain-specific languages (DSLs) that enables networking and telecommunication experts to quickly develop robust communication services. Importantly, we propose implementation strategies to enable this paradigm to be supported by existing software infrastructures. Our DSL paradigm is uniformly used to develop a platform for communication services, named Nova. This platform addresses various domains of services including telephony services, e-mail processing, remotedocument processing, stream processing, and HTTP resource adaption. 1

publisher = {Springer}, year = 2008,

Abstract The separation of concerns (SOC), as a conceptual tool, enables us to manage the complexity of software systems that we develop. The benefits of this paradigm, such as reuse, enhanced quality and adaptability, have been key drivers of its adoption. Modern software systems and applications take advantage of the technologies built around this paradigm, in which a client program can access different functional aspects (views) of the same domain. One of these SOC approaches is View-oriented Computing (VOC), which suffers from a formal model to canonically and consistently represent the different concepts of VOC as well to have the necessary background to formally verify the systems build on top of it. This paper describes a formal algebra-based model to describe different entities related to VOC. Especially, it introduces algebra and formalism associated with a Domain Specific Language (DSL) notation to illustrate the VOC paradigm.

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c t i v it y e p o r t 2009 Table of contents

Table of contents