122 search results - page 14 / 25 » Reducing long queries using query quality predictors |
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
MIR
2010
ACM
14 years 2 months ago
2010
ACM
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Subject-specific search facilities on health sites are usually built using manual inclusion and exclusion rules. These can be expensive to maintain and often provide incomplete c...