Titlebook: Secure Data Management; 5th VLDB Workshop, S Willem Jonker,Milan Petkovi? Conference proceedings 2008 Springer-Verlag Berlin Heidelberg 200

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A Trusted Approach to E-Commercee the purchaser is required to provide sensitive information to the commercial entity or because the purchaser may be suspicious that after payment has been processed, the goods purchased will not arrive. The challenge for the researcher is to determine the e-commerce model which maximizes the trust

洞穴

A Game-Theoretical Approach to Data-Privacy Protection from Context-Based Inference Attacks: A Locatntext information can help an attacker to perform inference over obfuscated data and to refine the estimate of the sensitive data up to a violation of the original privacy requirements. We consider the problem in a location privacy protection set-up where the sensitive attribute to be protected is t

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A Type-and-Identity-Based Proxy Re-encryption Scheme and Its Application in Healthcare In a proxy re-encryption scheme, the delegator assigns a key to a proxy to re-encrypt all messages encrypted with his public key such that the re-encrypted ciphertexts can be decrypted with the delegatee’s private key. We propose a type-and-identity-based proxy re-encryption scheme based on the Bon

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A Methodology for Bridging between RBAC and an Arbitrary Application Programh an arbitrary application program. We highlight tradeoffs between the ANSI RBAC model and the Role Graph Model, and also enumerate different versions of each. We then discuss alternatives to bridging between an RBAC model and an ad hoc program. An example of the application of one of the alternativ

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An Anonymity Model Achievable Via Microaggregationat .-anonymity alone does not always ensure privacy. A number of sophistications of .-anonymity have been proposed, like .-sensitive .-anonymity, .-diversity and .-closeness. We identify some shortcomings of those models and propose a new model called (.,.,.,.)-anonymity. Also, we propose a computat

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