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Most applications developed today rely on a given <i>middleware platform</i> which governs the interaction between components, the access to resources, etc. To decide, which platform is suitable for a given application (or more generally, to understand the interaction between application and platform), we propose UML models of both the <i>architectural(More)
The composition of elementary web services to larger-scale services has become an important means to enhance e-business collaborations. If such composite web services can also integrate legacy components that are not yet provided as web services, the number of possible compositions is increased. Following a process-oriented approach, the compositions can be(More)
In this paper, we address the correct refinement of abstract architectural models into more platform-specific representations. We consider the challenging case of dynamic architectures which can perform run-time reconfigurations. For this purpose, the underlying platform has to provide the necessary reconfigu-ration mechanisms. To conceptually model such(More)
In this paper, we address the refinement of abstract architectural models into more platform-specific representations. For each level of abstraction, we employ an architectural style covering structural restrictions on component configurations as well as supported communication and reconfiguration operations. Architectural styles are formalized as graph(More)
The integration of software components becomes a more and more important issue in software engineering. Process-oriented approaches should provide automated information processes. Therefore, the software components have to be integrated in a consistent way, i.e., their export interfaces have to be respected by the importing components. Furthermore, the type(More)
Model-driven software engineering requires the refinement of abstract models into more concrete, platform-specific ones. To create and verify such refinements, behav-ioral models capturing reconfiguration or communication scenarios are presented as instances of a dynamic meta-model, i.e., a typed graph transformation system specifying the concepts and basic(More)
Sebastian Thöne (seb@upb.de) Software architectures play an important role in software development. As abstract models of the run-time structure they help to bridge the gap between user requirements and implementation. In the context of e-business, self-healing, or mobile systems, dynamic architectures gain more and more importance. They represent systems(More)
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