2217 search results - page 22 / 444 » Rank-aware Query Optimization |
ICFP
2008
ACM
14 years 9 months ago
2008
ACM
Optimal path queries are queries to obtain an optimal path specified by a given criterion of optimality. There have been many studies to give efficient algorithms for classes of o...
PVLDB
2008
13 years 9 months ago
2008
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
GECCO
2007
Springer
14 years 3 months ago
2007
Springer
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
INFSOF
2000
13 years 9 months ago
2000
Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...
ICDE
2005
IEEE
14 years 3 months ago
2005
IEEE
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...