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Service-oriented architectures (SOAs) have been discussed intensively in science and industry since their first appearance in the mid-nineties. However, even today there is no generally accepted method for modeling a SOA or for converting other concepts (e.g., monolithic architectures, CORBA landscapes) into a SOA. There are numerous standards available in(More)
As more and more data-centric services are emerging on the Web, the diversity of \acsp{API} in this field increases rapidly. In addition to the traditional relational model, the scope of \ac{DaaS} products is broadened by new approaches, such as the more lenient key-value stores. Many \ac{DaaS} \acsp{API} address the same concepts, making them incompatible(More)
Service-oriented architectures (SOAs) provide the basis of distributed application frameworks where software components are provided as modular and reusable services. Until today there is no generally accepted method for conceptual modelling of a SOA. Rather, there exist several procedural methods which are used in practice. On the other hand, recent(More)
Web-oriented Architectures provide a way of designing an IT system by using a variety of Web Procedures, i.e., procedures (or services) called over the Web. The idea of (typically atomic) components that are black boxes, have interfaces, and can be assembled into a larger process is fundamental and has existed since the early days of distributed systems.(More)
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