Modelling role hierarchy structure using the Formal Concept Analysis

Authors:
Ścibor Sobieski;Bartosz Zieliński
Affiliations:
Department of Theoretical Physics II, University of Lódź, ul. Pomorska 149/153, 90-236 Łódź, Poland;-
Venue:
Annales UMCS, Informatica
Year:
2010

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Abstract

We demonstrate how one can use the formal concept analysis (FCA) to obtain the role hierarchy for the role based access control from the existing access control matrix. We also discuss assesed by means of FCA the quality of security system and finding users with excess permissions.