243 search results - page 30 / 49 » Selectivity Estimation for Boolean Queries |
IDEAS
2008
IEEE
15 years 4 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
BTW
2007
Springer
15 years 3 months ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
93
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
We present new algorithms on commodity graphics processors to perform fast computation of several common database operations. Specifically, we consider operations such as conjunct...
163
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Physical database design is critical to the performance of a large-scale DBMS. The corresponding automated design tuning tools need to select the best physical design from a large...
84
Voted
CIKM
2001
Springer
15 years 2 months ago
2001
Springer
Given a large number of search engines on the Internet, it is di cult for a person to determine which search engines could serve his/her information needs. A common solution is to...