13 search results - page 3 / 3 » Approximate Evaluation of Range Nearest Neighbor Queries wit... |
WADS
2005
Springer
14 years 28 days 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...
TKDE
2008
13 years 7 months ago
2008
Given a dataset P, a k-means query returns k points in space (called centers), such that the average squared distance between each point in P and its nearest center is minimized. S...
SENSYS
2004
ACM
14 years 26 days ago
2004
ACM
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), makin...