115 search results - page 13 / 23 » Predicate Migration: Optimizing Queries with Expensive Predi... |
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
As XQuery nears standardization, more sophisticated XQuery applications are emerging, which often exploit the entire language and are applied to non-trivial XML sources. We propos...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
The ongoing revolution in life sciences research is producing vast amounts of genetic and proteomic sequence data. Scientists want to pose increasingly complex queries on this dat...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
ESA
2004
Springer
14 years 23 days ago
2004
Springer
Sample sort, a generalization of quicksort that partitions the input into many pieces, is known as the best practical comparison based sorting algorithm for distributed memory para...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...