6004 search results - page 199 / 1201 » Parallelizing query optimization |
GECCO
2007
Springer
14 years 4 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...
ICALP
1994
Springer
14 years 2 months ago
1994
Springer
A hash table is a representation of a set in a linear size data structure that supports constanttime membership queries. We show how to construct a hash table for any given set of...
ICEBE
2005
IEEE
14 years 4 months ago
2005
IEEE
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
SIGMOD
1997
ACM
14 years 2 months ago
1997
ACM
In this paper, we study a simple SQL extension that enables query writers to explicitly limit the cardinality of a query result. We examine its impact on the query optimization an...
CORR
2008
Springer
13 years 10 months ago
2008
Springer
A data structure, called a biased range tree, is presented that preprocesses a set S of n points in R2 and a query distribution D for 2-sided orthogonal range counting queries. The...