90 search results - page 18 / 18 » Continuous obstructed nearest neighbor queries in spatial da... |
KDD
2004
ACM
14 years 5 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
ECCV
2008
Springer
14 years 6 months ago
2008
Springer
While image registration has been studied in different areas of computer vision, aligning images depicting different scenes remains a challenging problem, closer to recognition tha...
WADS
2005
Springer
13 years 10 months ago
2005
Springer
Spatial databases support a variety of geometric queries on point data such as range searches, nearest neighbor searches, etc. Balanced Aspect Ratio (BAR) trees are hierarchical sp...
EDBT
2009
ACM
13 years 9 months ago
2009
ACM
In this paper, we present ROAD, a general framework to evaluate Location-Dependent Spatial Queries (LDSQ)s that searches for spatial objects on road networks. By exploiting search...
W2GIS
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Finding single pair shortest paths on surface is a fundamental problem in various domains, like Geographic Information Systems (GIS) 3D applications, robotic path plannin...