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A. Kubo, H. Sato, and R. , Implementation and Performance Analysis of the Role-Based Trust Management System, p.184

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I. Wakeman, A. Light, J. R. , and .. , Dan Chalmers, and Anirban Basu Incorporating Interdependency of Trust Values in Existing Trust Models for Trust Dynamics, 263 Mark Hoogendoorn, S. Waqar Jaffry