316 search results - page 45 / 64 » Approximation algorithms for hierarchical location problems |
SECON
2010
IEEE
14 years 7 months ago
2010
IEEE
In this paper, we address several problems that arise in the context of rotating directional sensors. Rotating directional sensors (RDS) have a "directional" coverage reg...
100
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SODA
2003
ACM
14 years 11 months ago
2003
ACM
The natural relaxation for the Group Steiner Tree problem, as well as for its generalization, the Directed Steiner Tree problem, is a flow-based linear programming relaxation. We...
CVPR
2003
IEEE
15 years 11 months ago
2003
IEEE
In many applications of graphical models arising in computer vision, the hidden variables of interest are most naturally specified by continuous, non-Gaussian distributions. There...
KDD
2010
ACM
15 years 1 months ago
2010
ACM
Periodicity is a frequently happening phenomenon for moving objects. Finding periodic behaviors is essential to understanding object movements. However, periodic behaviors could b...
113
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EVOW
2010
Springer
14 years 8 months ago
2010
Springer
Background: Identifying approximately repeated patterns, or motifs, in DNA sequences from a set of co-regulated genes is an important step towards deciphering the complex gene reg...