415 search results - page 25 / 83 » Efficient Processing of Relational Queries with Sum Constrai... |
ICDE
2011
IEEE
13 years 5 days ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
CSCLP
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. Over the last decade, first-order constraints have been efficiently used in the artificial intelligence world to model many kinds of complex problems such as: scheduling,...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
BDA
2004
13 years 9 months ago
2004
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
IS
2006
13 years 8 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...