3269 search results - page 492 / 654 » Query Optimization for XML |
313
click to vote
ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Digital videos are increasingly adopted in various multimedia applications where they are usually broadcasted or transmitted as video streams. Continuously monitoring copies on the...
271
click to vote
ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
146
click to vote
WWW
2003
ACM
16 years 7 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
192
click to vote
STOC
2006
ACM
16 years 6 months ago
2006
ACM
Local Search problem, which finds a local minimum of a black-box function on a given graph, is of both practical and theoretical importance to combinatorial optimization, complexi...
267
click to vote
SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
The current SQL standard for access control is coarse grained, in that it grants access to all rows of a table or none. Fine-grained access control, which allows control of access...