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Protocols for Secure Interactions in Distributed Collaboration Systems
"... In collaboration systems, a group of users cooperate and coordinate using shared objects towards some common goal. Based on the responsibilities and privileges within a collaboration, many systems [SC85, DTT93, EGR91, Gre91] identify users' roles to specify coordination and security policies. Role ..."
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In collaboration systems, a group of users cooperate and coordinate using shared objects towards some common goal. Based on the responsibilities and privileges within a collaboration, many systems [SC85, DTT93, EGR91, Gre91] identify users' roles to specify coordination and security policies. Roles facilitate the speci cation of these policies for collaboration systems without knowing the users who will participate in the collaboration.
