By Theodore Johnson, S. Muthukrishnan, Oliver Spatscheck (auth.), Sushil Jajodia, Duminda Wijesekera (eds.)
This publication constitutes the refereed complaints of the nineteenth Annual operating convention on info and purposes safeguard held in Storrs, CT, united states, in August 2005.
The 24 revised complete papers provided including an invited lecture have been completely reviewed and chosen from fifty four submissions. The papers current concept, process, purposes, and useful event of knowledge and alertness safety with issues like cryptography, privateness, protection making plans and management, safe info integration, safe semantic net applied sciences and functions, entry regulate, integrity upkeep, wisdom discovery and privateness, concurrency keep watch over, fault-tolerance and restoration methods.
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Extra info for Data and Applications Security XIX: 19th Annual IFIP WG 11.3 Working Conference on Data and Applications Security, Storrs, CT, USA, August 7-10, 2005. Proceedings
We see our work as particularly useful in the context of workflow systems and their security, since our understanding of obligations as event-condition-action rules matches the notion of tasks. Our general obligations then refer to the tasks at the workflow model level, while specific obligations are the occurring instances at execution time of the workflow. The delegation of such tasks may then trigger the delegation of the required permissions. However, there is remaining work. We need to further analyse the effect of revocation activities on existing review obligations.
IEEE Transactions on Knowledge and Data Engineering, 9(1):85–101. , 2001. , and Sloman, M. (2001). The Ponder Policy Specification Language. In Policies for Distributed Systems and Networks, volume 1995, pages 18–38, Bristol. Springer Lecture Notes in Computer Science. Fagin, 1978. Fagin, R. (1978). On an Authorization Mechansism. volume 3, pages 310–319. Griffiths and Wade, 1976. Griffiths, P. and Wade, B. (1976). An Authorization Mechanism for a Relational Database System. ACM Transactions on Database Systems, 1(3):243–255.
However, when he delegates he may not retain this obligation. With respect to the second point, we consider the example of a principal p1 having delegated an obligation instance iob to a principal p2 who in turn delegated it to a principal p3. Should principal p1 now be able to revoke iob directly from p3 or only from p2? We believe that a principal should only be able to revoke a delegated obligation from the principal he delegated it to. The order of revocation thus corresponds to the way the obligation was initially delegated.
Data and Applications Security XIX: 19th Annual IFIP WG 11.3 Working Conference on Data and Applications Security, Storrs, CT, USA, August 7-10, 2005. Proceedings by Theodore Johnson, S. Muthukrishnan, Oliver Spatscheck (auth.), Sushil Jajodia, Duminda Wijesekera (eds.)