2978 search results - page 529 / 596 » Modelling and Querying Video Data |
CCS
2007
ACM
15 years 4 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 ...
SAINT
2003
IEEE
15 years 3 months ago
2003
IEEE
Caching frequently accessed data items on the client side is an effective technique to improve the system performance in wireless networks. Due to cache size limitations, cache re...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
The task addressed in this paper, finding experts in an enterprise setting, has gained in importance and interest over the past few years. Commonly, this task is approached as an ...
3DGIS
2006
Springer
15 years 3 months ago
2006
Springer
The needs for three-dimensional (3D) visualization and navigation within 3D-GIS environment are growing and expanding rapidly in a variety of fields. In a steady shift from tradit...
CORR
2008
Springer
14 years 10 months ago
2008
Springer
Provenance is information about the origin, derivation, ownership, or history of an object. It has recently been studied extensively in scientific databases and other settings due...