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Web service composition, as one of the key aspects in web service domain, has attracted more and more research attentions. Generally, in order to provide a powerful function to a specific problematic, several web services should combine and work together. Such a collaboration of web services is regarded as web service composition. There are two main difficulties in web service composition: selecting...
A distributed application may be composed of global services provided by different organizations and have different properties. Providing provisioned services is of primary importance due to the multi-tenant and potentially multi-provider nature of services. When selecting a service from many similar services, it is important to distinguish between them. Quality of service (QoS) has been used as a...
When orchestrating highly distributed and data-intensive Web service workflows the geographical placement of the orchestration engine can greatly affect the overall performance of a workflow. Orchestration engines are typically run from within an organisations' network, and may have to transfer data across long geographical distances, which in turn increases execution time and degrades the overall...
In this paper, we present a tool supported approach to perform efficient regression testing of web services. Functional and non-functional web service testing is done with the help of WSDL parsing and regression testing is performed by identifying the changes made thereafter. We identify, categorize, and capture the web service regression testing needs into three different categories, namely, changes...
Describing and verifying Web services using formal method in Web service configuration are a hot research. According to relevant semantics of configuration elements of Web service ontology, ¦Ð-calculus was applied as formal tool to describe and model Web services configuration. The dynamic behaviors of the established model could be verified and configuration errors such as deadlocks could be detected...
DIES system for designing and improving enterprise business scenarios is proposed. Such scenarios are executed and monitored in an SOA environment. Many metrics are gathered, and strong/weak aspects are pointed out. DIES allows the improvement of a scenario's performance, quality, and usability. Due to technology-agnostic API the system supports any extensible business scenario technology, and it...
This paper presents the quality factors of web services with definition, classification, and sub-factors for interoperability and manageability. In SOA systems, service consumers and service providers are usually placed in different ownership domains. They are also developed independently on various platforms and loosely-coupled by network. Services are consumed generally without direct management...
This paper presents the quality factors of web services with definition, classification, and sub-factors for interoperability and manageability. In SOA systems, service consumers and service providers are usually placed in different ownership domains. They are also developed independently on various platforms and loosely-coupled by network. Services are consumed generally without direct management...
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