Recent advances in access control models

  • Authors:
  • Sushil Jajodia;Duminda Wijesekera

  • Affiliations:
  • Center for Secure Information Systems, George Mason University, Fairfax VA;Center for Secure Information Systems, George Mason University, Fairfax VA

  • Venue:
  • Das'01 Proceedings of the fifteenth annual working conference on Database and application security
  • Year:
  • 2001

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Abstract

Advances in application areas bring new dimensions to access control needs. This paper discusses several access control models that have been recently proposed to address these emerging needs including models that provide policy-neutral flexible access control and their efficient implementations; models that incorporate richer semantics for access control in emerging Internet applications, such as adding provisions; and models for XML documents. We also discuss the recent work on policy algebras and subject identity issues in secure federations.