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- W1584062665 abstract "Role Based Access Control (RBAC) is a methodology for providing users in an IT system specific permissions like write or read to users. It abstracts from specific users and binds permissions to user roles. Similarly, one can abstract from specific documents and bind permission to document types.In this paper, we apply Description Logics (DLs) to formalize RBAC. We provide a thorough discussion on different possible interpretations of RBAC matrices and how DLs can be used to capture the RBAC constraints. We show moreover that with DLs, we can express more intended constraints than it can be done in the common RBAC approach, thus proving the benefit of using DLs in the RBAC setting. For deriving additional constraints, we introduce a strict methodology, based on attribute exploration method known from Formal Concept Analysis. The attribute exploration allows to systematically finding unintended implications and to deriving constraints and making them explicit. Finally, we apply our approach to a real-life example." @default.
- W1584062665 created "2016-06-24" @default.
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- W1584062665 date "2009-01-01" @default.
- W1584062665 modified "2023-10-07" @default.
- W1584062665 title "Access Policy Design Supported by FCA Methods" @default.
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- W1584062665 doi "https://doi.org/10.1007/978-3-642-03079-6_11" @default.
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