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A Service Level Agreement (SLA) is a legal contract between any two parties to ensure an adequate Quality of Service (QoS). Most research on SLAs has concentrated on protecting the user data through encryption. However, these methods can not supervise a cloud service provider (CSP) directly. In order to address this problem, we propose a privacy-based SLA violation detection model for cloud computing...
This paper investigates the problem of reputation management in composite services. Our focus is on developing a method of distribution of reputation received by a composite service to its component services. The proposed method enables the composite service to provide a fair distribution of reputation values so that a component service is neither penalized nor awarded for the bad and good performances...
In P2P networks, peers generally interact with unknown or unfamiliar peers without trusted third parties that can manage the behaviors of peers or control the malicious peers. They can give harm to correct peers by providing inauthentic resources for the benefit of themselves in resource sharing. Under this situation, peers can refer the reputation that reflects peer's past behaviors to download the...
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