Reputation-based recommendation trust model in the interoperable environment

According to the characteristics of trust in the alliance interoperable environment and the shortcomings of the existing trust model, we propose a recommendation trust model based on reputation RBRTrust Model, the model took into account the subjective and objective factors which impact the trust: interactive scope, interactive time, interactive context, etc., through local trust, direct trust and recommendation trust to get the overall trust, give a specific method to calculate the trust, and give the trust´s overall evaluation strategy finally.