208 search results - page 26 / 42 » Indexing range sum queries in spatio-temporal databases |
EDBT
2009
ACM
14 years 10 days ago
2009
ACM
Structured data including sets, sequences, trees and graphs, pose significant challenges to fundamental aspects of data management such as efficient storage, indexing, and simila...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
ICDT
2009
ACM
14 years 8 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
ER
2004
Springer
14 years 1 months ago
2004
Springer
In this paper, we develop a novel Web Usage Manipulation Language (WUML) which is a declarative language for manipulating Web log data. We assume that a set of trails formed by use...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
Recent methods based on interest points and local fingerprints have been proposed to perform robust CBCD (content-based copy detection) of images and video. They include two steps...