Role based access control design using triadic concept analysis
Ch. Aswani Kumar , S. Chandra Mouliswaran , Jin-hai Li , C. Chandrasekar
Journal of Central South University ›› 2017, Vol. 23 ›› Issue (12) : 3183 -3191.
Role based access control design using triadic concept analysis
Role based access control is one of the widely used access control models. There are investigations in the literature that use knowledge representation mechanisms such as formal concept analysis (FCA), description logics, and Ontology for representing access control mechanism. However, while using FCA, investigations reported in the literature so far work on the logic that transforms the three dimensional access control matrix into dyadic formal contexts. This transformation is mainly to derive the formal concepts, lattice structure and implications to represent role hierarchy and constraints of RBAC. In this work, we propose a methodology that models RBAC using triadic FCA without transforming the triadic access control matrix into dyadic formal contexts. Our discussion is on two lines of inquiry. We present how triadic FCA can provide a suitable representation of RBAC policy and we demonstrate how this representation follows role hierarchy and constraints of RBAC on sample healthcare network available in the literature.
access control / concept lattice / role based access control / role hierarchy / triadic context / triadic concept analysis
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