856 search results - page 47 / 172 » Location-based Spatial Queries |
ACSW
2003
14 years 11 days ago
2003
Contextual information such as spatial location can significantly enhance the utility of mobile applications. We introduce the concept of active preferences that represent a comb...
CVPR
2007
IEEE
15 years 1 months ago
2007
IEEE
In this paper, we present a large-scale object retrieval system. The user supplies a query object by selecting a region of a query image, and the system returns a ranked list of i...
CINQ
2004
Springer
14 years 4 months ago
2004
Springer
Spatial data mining is a process used to discover interesting but not explicitly available, highly usable patterns embedded in both spatial and nonspatial data, which are possibly ...
ER
2001
Springer
14 years 3 months ago
2001
Springer
Rapid development of information technology such as mobile terminals and GPS systems enabled information services that provide location-oriented information based on users’ posit...
GIS
1995
ACM
14 years 2 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...