507 search results - page 92 / 102 » Online Dynamic Reordering for Interactive Data Processing |
CCS
2007
ACM
15 years 3 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 ...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
As online social networking emerges, there has been increased interest to utilize the underlying social structure as well as the available social information to improve search. In...
TSP
2010
14 years 4 months ago
2010
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
SMC
2007
IEEE
15 years 3 months ago
2007
IEEE
— This paper presents the prototype of an expert peering system for information exchange in the knowledge society. Our system realizes an intelligent, real-time search engine for...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
We present a metadata free system for the interaction with massive collections of music, the MusicSurfer. MusicSurfer automatically extracts descriptions related to instrumentatio...