519 search results - page 89 / 104 » Evaluation of a Read-Optimized Database for Dynamic Web Appl... |
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 ...
IEEEPACT
2006
IEEE
14 years 1 months ago
2006
IEEE
On machines with high-performance processors, the memory system continues to be a performance bottleneck. Compilers insert prefetch operations and reorder data accesses to improve...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
ICEIS
2000
IEEE
13 years 12 months ago
2000
IEEE
This paper describes the development of Information System (IS) at Masaryk University in Brno. It supports full range of administrative and information functions in the study area,...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Accurate and efficient integration of geospatial data is an important problem with applications in areas such as emergency response and urban planning. Some of the key challenges ...