Titlebook: Research Advances in Database and Information Systems Security; IFIP TC11 WG11.3 Thi Vijay Atluri,John Hale Book 2000 IFIP International Fe

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978-1-4757-6411-6IFIP International Federation for Information Processing 2000

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Research Advances in Database and Information Systems Security978-0-387-35508-5Series ISSN 1868-4238 Series E-ISSN 1868-422X

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Selected Topics in Infrastructure and Information Assurancece R& D Program development. Topics included Infrastructure Assurance, High Confidence Systems, and Infor-mation Technology for the 21st Century. Further details of this presentation are included herein.

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Extending the BFA Workflow Authorization Model to Express Weighted Votinga fundamental operation which is missing in the BFA model. Although, we do not formally prove that BFA cannot simulate weighted voting, we make a strong case that this cannot be done easily or directly. We also show that the extended-BFA model retains all the strong properties of the BFA model.

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Book 2000t and www facilities, database and informationsystems security remains a key topic in businesses and in the publicsector, with implications for the whole of society. ..Research Advances in Database and Information Systems Security.covers issues related to security and privacy of information in a wid