نتایج جستجو برای: معماری سرویس گرا service oriented architecture
تعداد نتایج: 659233 فیلتر نتایج به سال:
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The increased use of electronic service has invented a new term Service-Oriented Architecture. In a typical distributed environment consisting of many independent devices and services, it is practically required to apply a framework of dynamically combining service. The goal in developing such a framework is to add variety of functional operations as well as interaction among services, share da...
We consider a setting where a consumer would like to elicit independent but costly reports from third-party experts about the reliability of a number of service providers. These reports can be of variable accuracy, but more accurate reports will be more costly to produce, and the consumer can fuse reports from several experts to choose the provider with the highest probability of success. We ex...
Contracts play an essential role in the Service Oriented Computing, for which they need to be equiped with a sub-contract relation. We compare two possible formulations, one based on compliance and the other on the testing theory of De Nicola and Hennessy. We show that if the language of contracts is sufficiently expressive then the resulting subcontract relations are incomparable. However if w...
The advent of the SOA paradigm is expected to cause an increase in the number of available services. This increase can create a bottleneck for the location and, therefore, for the use of services that provide a particular value. In this paper, we propose a model for the effective location of services, and a prototype implementation of this model, with some features which make it applicable to h...
In the context of service-oriented computing, time has been extensively studied in literature. We present a survey on possible problem statements for timed services, and give an overview of state-of-the-art approaches. Thereby we identify which problems are already thoroughly researched and which problems warrant further research.
Despite the growing acceptance of SOA, service-oriented computing remains a computing mechanism to speed-up the design of software applications by assembling ready-made services. We argue that it is difficult for business people to fully benefit of the SOA if it remains at the software level. We propose a move towards a description of services in business terms, i.e. intentions and strategies t...
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