907 search results - page 87 / 182 » Efficient Optimization of Iterative Queries |
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
ACISICIS
2008
IEEE
13 years 11 months ago
2008
IEEE
Compressed sensing (CS), a joint compression and sensing process, is a emerging field of activity in which the signal is sampled and simultaneously compressed at a greatly reduced...
SIAMIS
2010
13 years 3 months ago
2010
Image restoration problems are often converted into large-scale, nonsmooth and nonconvex optimization problems. Most existing minimization methods are not efficient for solving su...
MM
2004
ACM
14 years 2 months ago
2004
ACM
In this paper, we propose and investigate a new user scenario for face annotation, in which users are allowed to multi-select a group of photographs and assign names to these phot...