621 search results - page 108 / 125 » Efficient algorithms for minimizing tree pattern queries |
FSTTCS
1993
Springer
13 years 12 months ago
1993
Springer
We investigate the complexity and approximability of some location problems when two distance values are specified for each pair of potential sites. These problems involve the se...
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...
CN
2006
13 years 7 months ago
2006
The problem of optimal data gathering in wireless sensor networks (WSNs) is addressed by means of optimization techniques. The goal of this work is to lay the foundations to devel...
KDD
2010
ACM
13 years 9 months ago
2010
ACM
Recent advances in linear classification have shown that for applications such as document classification, the training can be extremely efficient. However, most of the existing t...
GIS
2009
ACM
14 years 9 months ago
2009
ACM
A route leads from a start location to a final destination and passes through geospatial entities that are picked according to search terms provided by the user. Each entity is pe...