856 search results - page 77 / 172 » Location-based Spatial Queries |
113
Voted
MDM
2009
Springer
15 years 7 months ago
2009
Springer
—A nearest neighbor query is an important notion in spatial databases and moving object databases. In the emerging application fields of moving object technologies, such as mobi...
115
Voted
DMSN
2004
ACM
15 years 6 months ago
2004
ACM
An important type of spatial queries for sensor networks are K Nearest Neighbor (KNN) queries. Currently, research proposals for KNN query processing is based on index structures,...
117
Voted
SIGMOD
2000
ACM
15 years 15 days ago
2000
ACM
In this paper we describe XXL (eXtensible and fleXible Library), a toolkit for rapid prototyping query processing algorithms. XXL is a flexible, high-level, platform independent J...
CGF
2004
15 years 17 days ago
2004
We present a simple but powerful algorithm for optimizing the usage of hardware occlusion queries in arbitrary complex scenes. Our method minimizes the number of issued queries an...
126
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MMSP
2008
IEEE
15 years 7 months ago
2008
IEEE
—Illumination distortion due to uncontrolled lighting can severely degrade the color appearance of a photo. Frequently, the desired colors for objects in a newly taken query imag...