21 search results - page 1 / 5 » CORDS: Automatic Generation of Correlation Statistics in DB2 |
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
CGO
2010
IEEE
13 years 11 months ago
2010
IEEE
This paper presents a finding and a technique on program behavior prediction. The finding is that surprisingly strong statistical correlations exist among the behaviors of diffe...
ACL
2009
13 years 2 months ago
2009
We investigate the influence of information status (IS) on constituent order in German, and integrate our findings into a loglinear surface realisation ranking model. We show that...
ISPD
2012
ACM
12 years 4 days ago
2012
ACM
There are two prominent problems with technology scaling: increasing design complexity and more challenges with interconnect design, including routability. High-level synthesis ha...