1782 search results - page 309 / 357 » Processing Queries over Distributed XML Databases |
MOBIDE
2003
ACM
14 years 1 months ago
2003
ACM
This paper presents TiNA, a scheme for minimizing energy consumption in sensor networks by exploiting end-user tolerance to temporal coherency. TiNA utilizes temporal coherency to...
ICDE
2000
IEEE
14 years 10 months ago
2000
IEEE
Nearest neighbor queries are important in many settings, including spatial databases (Find the k closest cities) and multimedia databases (Find the k most similar images). Previou...
CCS
2007
ACM
14 years 2 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 ...
STOC
2009
ACM
14 years 9 months ago
2009
ACM
A mechanism for releasing information about a statistical database with sensitive data must resolve a trade-off between utility and privacy. Publishing fully accurate information ...
CAI
2002
Springer
13 years 8 months ago
2002
Springer
Grid technology has evolved over the past several years to provide the services and infrastructure needed for building "virtual" systems and organizations. With this Gri...