270 search results - page 10 / 54 » Idea: Efficient Evaluation of Access Control Constraints |
CCS
2008
ACM
13 years 9 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
ICEBE
2009
IEEE
13 years 5 months ago
2009
IEEE
Privacy has been acknowledged to be a critical requirement for many business environments. A variety of uncertainty and mutability poses challenges when sharing resources must happ...
TWC
2010
13 years 2 months ago
2010
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...
GRID
2007
Springer
13 years 7 months ago
2007
Springer
In this paper, we present a role-based access control method for accessing databases through the Open Grid Services Architecture – Data Access and Integration (OGSA-DAI) framewor...