Abstract
In order to protect the interactive behavior between nodes in collaborative manufacturing grid environment, a security access control model based on nodes trust was proposed. This model divided trust relationship between grid nodes into trust relation domain and trust relation outside domain, and given out its expressions. Some methods to calculate direct trust value and recommendation trust value were presented. According to the simulation results, this model is available and effective for node's trust relation management within manufacturing grid, and can solve some security problem which node's dynamics and non-determinacy in manufacturing grid environment brought about to a certain extent.
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