491 search results - page 1 / 99 » Optimizing complex queries with multiple relation instances |
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
KDD
2005
ACM
14 years 5 months ago
2005
ACM
With an increasing use of data mining tools and techniques, we envision that a Knowledge Discovery and Data Mining System (KDDMS) will have to support and optimize for the followi...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
ICDE
2006
IEEE
13 years 11 months ago
2006
IEEE
Due to the flexible structures of SQL, no general approach works efficiently for all kinds of queries. Some special kinds of queries can be further optimized for better performa...
EDBT
2008
ACM
14 years 5 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...