نتایج جستجو برای: web service composition
تعداد نتایج: 766691 فیلتر نتایج به سال:
Web services are becoming the prominent paradigm for distributed computing and electronic business. This has raised the opportunity for service providers and application developers to develop value-added services by combining existing web services. However the current web service composition solutions, even for the applications developed on the basis of the standard Business Process Execution L...
In this paper, we present a framework for automatic selection and composition of services which exploits trustworthiness of services as a metric for measuring the quality of service composition. Trustworthiness is defined in terms of service reputation extracted from user profiles. The profiles are, in particular, extracted and inferred from a social network which accumulates users past experie...
The behavioral description-based Web Service Composition (WSC) problem deals with the automatic construction of a coordinator web service that controls a set of web services to reach the goal states. Despite its importance and implications, however, very few studies exist on the computational complexities of the WSC problem. In this paper, to address this problem, we present four novel theoreti...
Precise capability specification is the key for identifying and composing the right Web services. This paper specifies service capabilities in terms of the environment entities from the application domain and the effects imposed by the Web service on these entities. An environment ontology for Web services is adopted to provide formal sharable representations of the domain-specific environment ...
Web services are a very appropriate communication mechanism to perform distributed business processes among several organizations. A concept of service composition, combining existing Web services easily as our needs change, is one of the key features of the technology. Many new standards have been defined to solve web service composition problem, for example BPEL4WS. BPEL4WS provides an initia...
The coordination between agent service and Web service is the key factor for intelligent Web service management in the multi-agent based Web service framework. In view of the drawbacks of existing coordination approaches for agent service and Web service, this paper proposed a multiagent and workflow-based Web service management model. Through analyzing the interaction relations between agent s...
Rapid development of the Internet and increasing number of available Web services has generated a need for tools and environments facilitating automated composition of atomic Web services into more complex Web processes. However ,reasoning optimization and utilization in such AI related solutions is still an open problem .In this paper, we proposed a novel multi-agent based semantic web service...
Service composition is gaining popularity because the composite service presents the features that an individual service cannot present. There are multiple web services available over the web for different tasks. Semantic web is the advance form of the current web, where all the contents have well defined meanings, due to this nature; semantic web enables the automated processing of web content...
Please cite this article in press as: Q. He Inform. Sci. (2009), doi:10.1016/j.ins.200 In the web services environment, service level agreements (SLA) refers to mutually agreed understandings and expectations between service consumers and providers on the service provision. Although management of SLA is critical to wide adoption of web services technologies in the real world, support for it is ...
With development of SOA, the complex problem can be solved by combining available individual services and ordering them to best suit user's requirements. Web services composition is widely used in business environment. With the features of inherent autonomy and heterogeneity for component web services, it is difficult to predict the behavior of the overall composite service. Therefore, transact...
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