Securing XML Documents

  • Authors:
  • Ernesto Damiani;Sabrina De Capitani di Vimercati;Stefano Paraboschi;Pierangela Samarati

  • Affiliations:
  • -;-;-;-

  • Venue:
  • EDBT '00 Proceedings of the 7th International Conference on Extending Database Technology: Advances in Database Technology
  • Year:
  • 2000

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Abstract

Web-based applications greatly increase information availability and ease of access, which is optimal for public information. The distribution and sharing by theWeb of information that must be accessed in a selective way requires the definition and enforcement of security controls, ensuring that information will be accessible only to authorized entities. Approaches proposed to this end level, independently from the semantics of the data to be protected and for this reason result limited. The eXtensible Markup Language (XML), a markup language promoted by the World Wide Web Consortium (W3C), represents an important opportunity to solve this problem. We present an access control model to protect information distributed on the Web that, by exploiting XML's own capabilities, allows the definition and enforcement of access restrictions directly on the structure and content of XML documents. We also present a language for the specification of access restrictions that uses standard notations and concepts and briefly describe a system architecture for access control enforcement based on existing technology.