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Service Oriented Architectures (SOAs) are composed of distributed services that interact through standard interfaces, and evolve transparently to other services and users. Although such dynamicity makes SOA a promising architectural style, it prevents organizations from having complete knowledge of the SOA and of its (possibly untrusted) services. This constitutes an important restriction to the applicability...
Web service is one of the fundamental technologies in implementing Service Oriented Architecture (SOA) based applications. One of the essential challenges in web service based applications is how to find a set of suitable web service candidates with regard to a user's requirement. Currently most web service discovery systems have constrains on the content and format of submitted web service request...
One of the major challenges of Service-Oriented Computing (SoC) paradigm is the Web service discovery, also known as matchmaking. Yet the mechanisms used to match Web services can be improved. However, considering the semantics of the Web service descriptions is a must for automating the process of discovery Web services. Current Web service matchmaking approaches check the capabilities of the requested...
In the context of distributed and open systems, the dynamic evolution of the distributed entities (or services) and their adaptation is one of the main prevailing challenges. In this paper, our aim is to show that is possible to automate (at least partially) the discovery, the selection and the adaptation of components, on the one hand associating a semantic description based on functional and non-functional...
Service-oriented architectures (SOA) allow a run time composition and exchange of independently developed services. Thus, the SOA paradigm is predestined for the easy development of distributed applications and software systems. Particularly in mobile settings is distribution a possibility to provide functionalities to devices with restricted resources. SOA and the common advances in the area of wireless...
In this paper, we analyze the problems of existing Service Computing model and propose a closed-loop mechanism for service evaluating and discovering on the Internet which is not only compatible with the basic principles of Service Computing--loosely coupled, protocol independent and location transparent, but also can rank, classify and recommend services based on their real-time performance. This...
Web Services providing access to datasources with structured data have an important place in the SOA. In this paper we focus on modeling and discovery of generic data providing services (DPS), with the goal of making data providing services available for interactions with service requesters in contexts such as service composition and mediation. In our model RDF Views are used to represent the content...
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