7 search results - page 1 / 2 » Cardinality estimation using sample views with quality assur... |
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
VISUALIZATION
2005
IEEE
13 years 10 months ago
2005
IEEE
GPU-based raycasting offers an interesting alternative to conventional slice-based volume rendering due to the inherent flexibility and the high quality of the generated images. ...
ECCV
2002
Springer
14 years 6 months ago
2002
Springer
Estimating geometric structure from uncalibrated images accurately enough for high quality rendering is difficult. We present a method where only coarse geometric structure is trac...
WWW
2005
ACM
14 years 5 months ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...