402 search results - page 67 / 81 » Nearest Surrounder Queries |
WADS
2005
Springer
14 years 1 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...
JMLR
2006
13 years 7 months ago
2006
This paper is about non-approximate acceleration of high-dimensional nonparametric operations such as k nearest neighbor classifiers. We attempt to exploit the fact that even if w...
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...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
MM
2009
ACM
14 years 2 months ago
2009
ACM
Web image search is inspired by text search techniques; it mainly relies on indexing textual data that surround the image file. But retrieval results are often noisy and image pro...