266 search results - page 38 / 54 » Comparing simple role based access control models and access... |
CCGRID
2006
IEEE
14 years 1 months ago
2006
IEEE
Simplifying access to and usage of large scale compute resources via the Grid is of critical importance to encourage the uptake of e-Research. Security is one aspect that needs to...
ASIACRYPT
2010
Springer
13 years 5 months ago
2010
Springer
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...
RTSS
2007
IEEE
14 years 1 months ago
2007
IEEE
It is challenging to process transactions in a timely fashion using fresh data, e.g., current stock prices, since database workloads may considerably vary due to dynamic data/reso...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
ESCIENCE
2006
IEEE
14 years 1 months ago
2006
IEEE
The ability to dynamically create and subsequently manage secure virtual organisations (VO) is one of the key challenges facing the Grid community. Existing approaches for establi...