407 search results - page 3 / 82 » Query Estimation by Adaptive Sampling |
SIGMOD
2007
ACM
14 years 5 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...
PVLDB
2008
13 years 4 months ago
2008
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
EDBT
2009
ACM
13 years 10 months ago
2009
ACM
As the Extensible Markup Language (XML) rapidly establishes itself as the de facto standard for presenting, storing, and exchanging data on the Internet, large volume of XML data ...
ICASSP
2009
IEEE
14 years 15 hour ago
2009
IEEE
Query-by-tapping systems are content-based music retrieval systems that allow users to tap or clap in a microphone the rhythmic pattern of the melody requested. In this paper, a n...
CIKM
2005
Springer
13 years 10 months ago
2005
Springer