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Trustworthiness evaluation is an increasingly common theme in service-oriented computing. However, existing approaches are not effective for web services trustworthiness assessment. In this paper, we present a web services trustworthiness evaluation model based on Fuzzy Cognitive Maps. The model combines the trust evidence framework and the dynamic context reputation feedback at runtime. The simulation...
Our work focuses on selecting a trusted service from service consumer's perspective. First, we distinguish the two kinds of trust context to separate the ability of service as both a service provider and a service consumer in a service web; and we classify the reputation into two different categories. Second we generate a reputation metric model by improving Subject Logic. The trust decision model...
Through the research of the existing security mechanisms and security technologies, combined with the actual security requirements of Web communications, this paper proposes a Web services security communication model. The model not only can meet the basic requirements for secure communications, and can achieve better results in the Web service application with higher security requirements. Compared...
Security vulnerabilities play an increasing role within dependability procedures for information systems. However, traditional vulnerability models present several general shortcomings when matched with today requirements. To overcome these limits, we propose a vulnerability ontology based on three main enhancements: deeper integration with system asset ontology, better modelling of cause-effect relationships,...
Trust problems exist in open distributed service oriented computing environments. A lot of research work has been done on the theories and applications of trust and reputation management in service oriented environment. However, the design expertise on trust is not well documented yet. In this paper we propose to use trust patterns for documenting solutions for trust problems. The main benefit of...
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