792 search results - page 36 / 159 » Computing Iceberg Queries Efficiently |
DEBS
2010
ACM
14 years 4 months ago
2010
ACM
Many XML filtering systems have emerged in recent years identifying XML data that structurally match XPath queries in an efficient way. However, apart from structural matching, it...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
160
click to vote
ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
AFRIGRAPH
2009
ACM
15 years 1 months ago
2009
ACM
The generation of accurate Line of Sight (LOS) visibility information consumes significant resources in large scale synthetic environments such as many-on-many serious games and b...
WWW
2009
ACM
15 years 10 months ago
2009
ACM
Sponsored search systems are tasked with matching queries to relevant advertisements. The current state-of-the-art matching algorithms expand the user's query using a variety...