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Web services are the most important event in distributed computing today and have achieved great popularity among software developers. A critical step in the process of developing applications based on web services is web service discovery, i.e., the identification of existing web services that can potentially be used in the context of a new web application. We have proposed a novel method based on...
Discovery of suitable Web services for a given user requirement is one of the key technology. A mechanism is proposed to support QoS-based semantic web service discovery in the paper. Firstly, to reduce the overhead and enhance the discovery efficiency, genetic algorithm is adopted as a method of service clustering. Furthermore, based on user's QoS requirements, the QoS-based service matchmaker was...
The proliferation of Web services demands for a discovery mechanism to find advertisements that satisfy the requests more accurately. OWL-S provides a capability-based description and logic inference mechanism for semantically matching. UDDI provides a registry of businesses and Web services, but its keyword search mechanism produces lack of semantics and coarse results. Research on OWL-S/UDDI matchmaker...
In pervasive computing environment, more personalized information can be achieved, and better user profile model can be built, thus personalized service can be realized. User profile is the critical aspect in personalized service of digital library. This paper proposes structure and mechanism of user profile in personalized service of digital library. The main problems during its construction are...
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...
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