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The paradigm of service orientation is heavily used to design complex IT systems able to satisfy the need for an agile business support. Many enterprises have established service-oriented architectures (SOAs) of different size and complexity. However, such SOAs need efficient management and the discipline of enterprise architecture management has only just(More)
Rigorous modelling techniques and specialised analysis methods support enterprise architects when embarking on enterprise architecture management (EAM). Yet, while customised modelling solutions provide scalability, adaptability and flexibility they are often in conflict with generic or reusable visualisations. We present an approach to augment customised(More)
Patterns are an effective wayt oe xpress solutions to constantly occurring problems in software engineering. Books likeE rich Gamma's Design Patterns ([Gam94]) or Martin Fowler's Analysis Pattern ([Fow96]) helped to develop ac om-mon understanding of problem solving in this field. The pattern catalog developed by members of the chair Software Engineering(More)
For many enterprises the introduction of service orientation is still a daunting task and there is often no distinct idea of how to approach respective projects. Only recently, SOA research addresses this open and essential question and systematic methodologies for SOA introduction and evolution have been conceived. IBM's SOMA and sd&m's Quasar(More)
This paper describes a novel approach that guarantees consistency of structure-based configuration models in an evolution process using a knowledge representation based on description logics. We define the term consistency and discuss different notions of consistency that are domain-dependent or configuration-tool specific. Change operations are introduced(More)
For many enterprises, introduction and maintenance of service orientation is still a daunting task and there is often no distinct idea of how to approach respective projects. Especially the migration of legacy systems functionality into a new service-oriented environment - the SOA enabling - is key to the success of SOA projects. Another challenge arises(More)
1 Motivation The discipline of Enterprise Architecture Management (EAM), while becoming firmly established with global enterprises, often remains unnoticed by medium-sized enterprises. In global enterprises the role of enterprise architects has been established for years, and they are equipped by EAM tools with underlying EA frameworks such as the Zachman(More)
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