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» A Novel VO-Based Access Control Model for Grid
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DEXAW
2004
IEEE
170views Database» more  DEXAW 2004»
13 years 11 months ago
On-Line Analytical Processing on Large Databases Managed by Computational Grids
Management of large data repositories integrated into the Grid poses new challenges for Grid research. There already exist several successful Data Grid projects addressing process...
Bernhard Fiser, Umut Onan, Ibrahim Elsayed, Peter ...
SIGMOD
2004
ACM
160views Database» more  SIGMOD 2004»
14 years 7 months ago
Extending Query Rewriting Techniques for Fine-Grained Access Control
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
Shariq Rizvi, Alberto O. Mendelzon, S. Sudarshan, ...
CNIS
2006
13 years 9 months ago
STRBAC - An approach towards spatio-temporal role-based access control
The rapid emergence of GPS enabled devices, sensors and mobile equipment in commercial as well as government organizations has led to considerable research in time- and location-b...
Mahendra Kumar, Richard E. Newman
ESORICS
2008
Springer
13 years 9 months ago
On the Security of Delegation in Access Control Systems
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
Qihua Wang, Ninghui Li, Hong Chen
DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
13 years 7 months ago
Efficient Database-Driven Evaluation of Security Clearance for Federated Access Control of Dynamic XML Documents
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...