6660 search results - page 72 / 1332 » Data Analysis for Query Processing |
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...
DAWAK
2007
Springer
14 years 4 months ago
2007
Springer
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse We abstract software modules, queries, r...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
WEBDB
2005
Springer
14 years 3 months ago
2005
Springer
Efficient query processing in P2P-based Web integration systems poses a variety of challenges resulting from the strict decentralization and limited knowledge. As a special probl...
ADL
2000
Springer
14 years 2 months ago
2000
Springer
A mediator system is a kind of a meta-search engine that provides a seamlessly integrated search service for diverse search engines (collections). Since collections of a mediator ...