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As mobile web services becomes more pervasive, applications based on mobile web services will need flexible access control mechanisms. Unlike traditional approaches based on the identity or role for access control, access decisions for these applications will depend on the combination of the required attributes of users and the contextual information. This paper proposes a Semantic Context-Based Access Control model (called SCBAC) to be applied in mobile web services environment by combining semantic web technologies with context-based access control mechanism.
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