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In this paper, a framework named SMARXO is proposed to address the security issues in multimedia applications by adopting RBAC (Role-Based Access Control), XML, and Object-Relational Databases. Compared with the other existing security models or projects, SMARXO can deal with more intricate situations. First, the image object-level security and video scene/shot-level security can be easily achieved. Second, the temporal constrains and IP address restrictions are modeled for the access controldoi:10.1145/1027527.1027631 dblp:conf/mm/ChenSZ04 fatcat:gxiosakekzcrdhe5w6gkc7z53e