The trust and reputation in cloud computing are always made only if enough services and expectations are attained. Also, it is a rental for the exploitation of information technology assets and resources. Therefore, this paper evaluates the reputation values and identifies the trusted services in the Cloud environments. The reputation value is evaluated using three parameters including accessibility, dependability, and ability. Also, we propose a method for the trusted service using three topological metrics, including in-degree, out-degree and reputation measures. The proposed method has been evaluated in different challenging situations where the obtained results show that the accuracy of the proposed method using the advice of the trusted service providers is increased.
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