Sciweavers

5252 search results - page 59 / 1051
» Logic in Access Control
Sort
View
DNIS
2010
Springer
240views Database» more  DNIS 2010»
14 years 2 months ago
AccKW: An Efficient Access Control Scheme for Keyword-Based Search over RDBMS
Access control for relational databases is a well researched area. An SQL query is allowed or denied access to database according to the specified access control policy. On the oth...
Vikram Goyal, Ashish Sureka, Sangeeta Lal
CCS
2008
ACM
14 years 24 days ago
A formal framework for reflective database access control policies
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
Lars E. Olson, Carl A. Gunter, P. Madhusudan
SIGMOD
2004
ACM
160views Database» more  SIGMOD 2004»
14 years 11 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, ...
FTDCS
2004
IEEE
14 years 2 months ago
Towards Supporting Fine-Grained Access Control for Grid Resources
The heterogeneous nature and independent administration of geographically dispersed resources in Grid, demand the need for access control using fine-grained policies. In this pape...
Elisa Bertino, Pietro Mazzoleni, Bruno Crispo, Swa...
ASIAN
2007
Springer
129views Algorithms» more  ASIAN 2007»
14 years 2 months ago
An Integrated Model for Access Control and Information Flow Requirements
Current information systems are more and more complex. They require more interactions between different components and users. So, ensuring system security must not be limited to us...
Samiha Ayed, Nora Cuppens-Boulahia, Fréd&ea...