625 search results - page 34 / 125 » Genetic algorithms for large join query optimization |
PVLDB
2010
13 years 6 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
DBA
2006
13 years 9 months ago
2006
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...
SIGMOD
2010
ACM
14 years 15 days ago
2010
ACM
Edit distance based string similarity join is a fundamental operator in string databases. Increasingly, many applications in data cleaning, data integration, and scientific compu...
GECCO
2007
Springer
14 years 1 months ago
2007
Springer
Visualization of multidimensional data by means of Multidimensional Scaling (MDS) is a popular technique of exploratory data analysis widely usable, e.g. in analysis of bio-medica...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...