599 search results - page 38 / 120 » Improving the Efficiency of XPath Execution on Relational Sy... |
SIGMOD
1996
ACM
14 years 2 days ago
1996
ACM
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
DATAMINE
2000
13 years 7 months ago
2000
Abstract: Spatial data mining algorithms heavily depend on the efficient processing of neighborhood relations since the neighbors of many objects have to be investigated in a singl...
IPPS
1996
IEEE
14 years 2 days ago
1996
IEEE
PVM and other distributed computing systems have enabled the use of networks of workstations for parallel computation, but their approach of treating all networks as collections o...
PVLDB
2008
13 years 7 months ago
2008
We present SEMANDAQ, a prototype system for improving the quality of relational data. Based on the recently proposed conditional functional dependencies (CFDs), it detects and rep...
ICAC
2005
IEEE
14 years 1 months ago
2005
IEEE
Grid environments enable users to share non-dedicated resources that lack performance guarantees. This paper describes the design of application-centric middleware components to a...