2001 search results - page 258 / 401 » Indexing in a Hypertext Database |
ICDE
2005
IEEE
14 years 4 months ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
SSD
2005
Springer
14 years 3 months ago
2005
Springer
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries (STP). Such a query specifies a spatiotemporal pattern as a sequence of distinct spatial...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
Top-k queries based on ranking elements of multidimensional datasets are a fundamental building block for many kinds of information discovery. The best known general-purpose algor...
HICSS
2003
IEEE
14 years 3 months ago
2003
IEEE
Video information, image processing and computer vision techniques are developing rapidly nowadays because of the availability of acquisition, processing and editing tools, which ...