370 search results - page 28 / 74 » Providing Dynamic Security Control in a Federated Database |
116
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SPC
2005
Springer
15 years 3 months ago
2005
Springer
In pervasive computing environments, changes in context may trigger changes in an individual’s access permissions. We contend that existing access control frameworks do not provi...
VLDB
1987
ACM
15 years 1 months ago
1987
ACM
There are several consistency control algorithms for managing replicated files in the face of network partitioning due to site or communication link failures. In this paper, we co...
DEXAW
2004
IEEE
15 years 1 months ago
2004
IEEE
In this paper we present the metadata usage in a medical imaging project grid. Metadata represent data about the data: In our case, the data are medical images and the metadata sto...
DIM
2006
ACM
15 years 3 months ago
2006
ACM
User centricity is a significant concept in federated identity management (FIM), as it provides for stronger user control and privacy. However, several notions of user-centricity...
161
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
This paper presents HomeViews, a peer-to-peer middleware system for building personal data management applications. HomeViews provides abstractions and services for data organizat...