353 search results - page 32 / 71 » Processing Top-k Join Queries |
PODS
2005
ACM
14 years 8 months ago
2005
ACM
The traditional statistical assumption for interpreting histograms and justifying approximate query processing methods based on them is that all elements in a bucket have the same...
TKDE
1998
13 years 7 months ago
1998
—When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a ...
GIS
2002
ACM
13 years 7 months ago
2002
ACM
This papers deals with multiway spatial joins when (i) there is limited time for query processing and the goal is to retrieve the best possible solutions within this limit (ii) the...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
EUROPAR
2001
Springer
14 years 12 days ago
2001
Springer
Abstract. Parallel relational databases have been successful in providing scalable performance for data intensive applications, and much work has been carried out on query processi...