856 search results - page 46 / 172 » Location-based Spatial Queries |
CIVR
2005
Springer
14 years 4 months ago
2005
Springer
Abstract. Geospatial information analysts are interested in spatial configurations of objects in satellite imagery and, more importantly, the ability to search a large-scale datab...
VLDB
2005
ACM
14 years 4 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...
GIS
2008
ACM
15 years 1 days ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
SAC
2005
ACM
14 years 4 months ago
2005
ACM
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...
CVPR
2005
IEEE
15 years 1 months ago
2005
IEEE
We present an approach for tracking varying number of objects through both temporally and spatially significant occlusions. Our method builds on the idea of object permanence to r...