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A broad range of emerging business models relies on the continual exchange of data that flow among different services to generate additional value and derive knowledge in many domains. The magnitude of resource sharing that form the basis of these interactions raises new challenges concerning the effectivity of existing security and privacy management instruments in environments of such complexity. In this work, we examine the practical application of authorization management mechanismsdoi:10.5281/zenodo.1095642 fatcat:avye5rlqercljlwtihkwgra5oi