625 search results - page 81 / 125 » Genetic algorithms for large join query optimization |
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
The performance of web search engines may often deteriorate due to the diversity and noisy information contained within web pages. User click-through data can be used to introduce...
COMPGEOM
2006
ACM
13 years 11 months ago
2006
ACM
Despite extensive study over the last four decades and numerous applications, no I/O-efficient algorithm is known for the union-find problem. In this paper we present an I/O-effic...
LWA
2004
13 years 9 months ago
2004
Data mining on large relational databases has gained popularity and its significance is well recognized. However, the performance of SQL based data mining is known to fall behind ...
SIGMOD
1996
ACM
13 years 12 months ago
1996
ACM
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...