64 search results - page 1 / 13 » Towards an Analysis of Range Query Performance in Spatial Da... |
PODS
1993
ACM
13 years 8 months ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
ICDE
2000
IEEE
14 years 6 months ago
2000
IEEE
Analysis of range queries on spatial (multidimensional) data is both important and challenging. Most previous analysis attempts have made certain simplifying assumptions about the...
CIVR
2009
Springer
13 years 11 months ago
2009
Springer
Spatial language video retrieval is an important real-world problem that is also a natural test bed for evaluating semantic structures for natural language descriptions of motion ...
IWMMDBMS
1996
13 years 6 months ago
1996
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
SODA
1997
ACM
13 years 6 months ago
1997
ACM
Given a collection S of n line segments in the plane, the planar point location problem is to construct a data structure that can e ciently determine for a given query point p the...