664 search results - page 29 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
ICDE
2001
IEEE
14 years 8 months ago
2001
IEEE
Spatial Joins are important and time consuming operations in spatial database management systems. It is crucial to be able to accurately estimate the performance of these operatio...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Background: Finding relevant articles from PubMed is challenging because it is hard to express the user’s specific intention in the given query interface, and a keyword query ty...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
UIST
2009
ACM
14 years 1 months ago
2009
ACM
Time-series graphs are often used to visualize phenomena that change over time. Common tasks include comparing values at different points in time and searching for specified patte...