Abstract
The functional characteristics and the nonfunctional properties of service profile always play very important roles in composite semantic web service selection approach. But the credibility of this information cannot be guaranteed. This paper established a novel trust degree model of this information. Based on this model, the trust degrees can be calculated from execution log and user experience evaluation of candidate web services. Then the paper proposes a new composite semantic web service selection approach based on this credible information. Finally, we present two experiments to prove that the new approach can avoid the influence of exaggerated and unauthentic information effectively and accurately.
Highlights
With the rapid development of sophisticated application, a single web service is usually too simple to meet the various user requirements
This paper is organized as follows: in Section 2, we emphatically introduce the related work about composite web service selection
Reference [6] proposed an approach for web service dynamic composition based on global QoS constraints decomposition
Summary
With the rapid development of sophisticated application, a single web service is usually too simple to meet the various user requirements. Some organizations of web service are apt to publish unauthentic information for attracting end user To cope with this problem, it is necessary to avoid exaggerated information by dishonest providers in the selection process. We establish a new trust degree model of composite semantic web service. Based on this model, we propose a novel composite web service selection approach which can calculate the trust degree of QoS and IOPE information from execution log and credible user experience evaluation.
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