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Cloud computing is a buzzword terminology applied to several nascent trends in the turbulent landscape of information technology. Computing in the "cloud" alludes to ubiquitous and inexhaustible on-demand IT resources accessible through the Internet. In the era of cloud computing, whole lifecycle of telecommunication services, especially service deployment, present new features. In this...
Software as a Service (SaaS) is a new software delivery model. More and more companies are offering their software by following it. In contrast to earlier attempts of application service provisioning, the SaaS delivery model is focused on exploiting economies of scale by offering the same instance of an application to as many customers, i.e. supporting multi-tenants. As well understand, the delivery...
Dynamic service composition requires responding and adapting to changes in the computing environment when orchestrating existing services into one or more new services that fit better to a composite application. This paper abstracts the changes of the environment as a context world to store the physical contexts of the computing environment, user profiles and computed results of services as well....
This paper presents the data mining system model based on Web services to solve the problems such as the deficiency of expansibility and the high cost. Simultaneously the model is better to adapt to the variability and dynamics of customers' requests. According to the strong encapsulation and extensibility in Web Services, the model is more flexible and it enhances the performance greatly. Through...
With the maturity of SO A and rapid development of Internet, more and more enterprises will open their resources to public using SOAP-based web service. Because SOAP protocol is based on XML-format data, parsing and generating SOAP message spends much time and consumes a vast of resources. Moreover, complex network environment poses challenge of extreme concurrent, dynamic contents, continuous high...
Service-oriented Architecture (SOA) is a novel software engineering methodology of the internet era for developing distributed application. Different organizations and service providers develop their own web services independently and the service consumers can put these services together to develop their applications. Background processes are often hidden by their service providers and consumer can...
With the development of the university digitalized campus and widespread using of information systems, how to solve the sharing and interoperation of data between different departments and existing systems has become a new requirements of the development. Web Services has excellent characteristics like portability, loose coupling and Scalability, it can achieve the sharing and interoperation of data...
CSP is a process algebra defined by Hoare. A long-running transaction is an interaction of components from different systems which must be executed as a single atomic action. Ensuring consistency is important for long-running transaction. Because long-running transaction often needs cross-organizational services composition and could not use ACID semantic, so CSP is used to ensure the consistency...
Traditional ontology-based discovery of semantic Web services use similarity calculation of services and cluster to discovery Web services, on this basis, we present an improved service clustering approach and a framework for ontology-based flexible discovery of Semantic Web services. First of all, we use service analyzer to pick up information of service and use keywords to find out related services;...
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