Sascha El-Sharkawy

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Software Product Line Engineering is inherently complex. This complexity increases further if multiple product line infrastructures are composed to yield the final products, an approach sometimes referred to as Multi Software Product Lines (MSPL). In this paper, we present an approach that targets this development scenario. The approach we present here aims(More)
Development of software product lines requires tool support, e.g., to define variability models, to check variability models for consistency and to derive the artifacts for a specific product. Further capabilities are required when product lines are combined to software ecosystems, i.e., management and development of distributed product lines across(More)
Kurzfassung Im modernen Requirements Engineering werden Anforderungen nicht nur erfasst, sondern gestaltet. Entsprechend ist Innovation in der Anforderungs-gewinnung eine wichtige Aufgabe, die entscheidenden Einfluss auf den Produkterfolg hat. Doch können innovative Ideen systematisch entwickelt werden? Frühere Fallstudien zeigten bereits, dass dies möglich(More)
In Software Product Line Engineering, variability modeling plays a crucial rule. Over the years, a couple of different modeling paradigms with a plethora of different approaches have been proposed. However, only little attention was spent to compare these concepts. In this paper, we compare the capabilities and expressiveness of basic feature modeling with(More)
The Linux kernel is often used as a real world case study to demonstrate novel Software Product Line Engineering research methods. An important point in this is often the analysis of the Kconfig semantics. However, we detected that the semantics of Kconfig is rather unclear and has many special cases, which are not documented in its short specification. We(More)
Software Product Line Engineering (SPLE) is a systematic approach for the development of related software products. These products share a common infrastructure but vary with respect to their individual capabilities, called variabilities. Variability management is a key part of SPLE and is responsible for developing, combining and configuring such(More)
Most research in product line engineering focuses on the domain engineering phase. However, the ultimate reason of any Software Product Line Engineering (SPLE) activity is the derivation of products and thus application engineering. In this research we focus on how the configuration activity within application engineering can be supported to achieve(More)
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