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Service capability, which represents the actions performed or the information delivered by a service, has become an important issue for service-oriented architecture. But most of the current semantic representation methods for service capabilities are usually based on top-down methodology and there is a gap between the semantic web services approach and the real features of web services. We aim to...
With the rapid development of SOA and SaaS technologies, it's possible to construct a powerful e-services system rapidly with ready-to-use services. At the same time, it brings a big challenge to the architecting and design of e-services system compared with traditional software design. In this paper, we propose a novel approach for new generation e-services system design and evolution, which use...
Most of the current semantic representation methods for service capabilities are usually based on top-down methodology. We aim to develop services characterization methods with statistical study on existing Web services and to improve services capability representation with bottom-up software services comprehension. Two services characterization methods are proposed in our work: quantitative statistical...
Most of the SOA (Service Oriented Architecture) applications are not brand new and usually evolved from legacy systems. Legacy systems carry out the enterprisepsilas most crucial business information together with business processes and many organizations have leveraged the value of their legacy systems by exposing parts of it as services. Most of current Web services are SOAP-RPC style services....
Web services (WS) are becoming more and more popular nowadays and service-oriented architecture (SOA) have been widely used in the construction of information systems. But most of the SOA applications are not brand new and usually evolved from legacy systems. Our research group is building a service identification framework used for the SOA reengineering of existing large-scale information applications...
Publishing and delivering traffic information generally depend on message board and public radio service in China, which usually sends out static information without dynamic interaction between the services and the users. With the development of WebGIS and its successful application, it is possible to introduce the Web-based multiple architecture into the traffic information system. Currently, most...
A modification of the central limit theorem indicates that for a stationary or asymptotically stationary random process, its Fourier coefficients are independent complex Gaussian random variables in Reedman, D. and Lane, D., (1980). We apply this idea in the short time Fourier transform, where most process has the asymptotic stationary property in short time sense. The estimated parameters of the...
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