265 search results - page 36 / 53 » Approximation algorithms for clustering uncertain data |
IPPS
2005
IEEE
14 years 1 months ago
2005
IEEE
We investigate the problem of maximizing the lifetime of wireless ad hoc and sensor networks. Being battery powered, nodes in such networks have to perform their intended task und...
ISAAC
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we consider the problem of partitioning a small data sample drawn from a mixture of k product distributions. We are interested in the case that individual features a...
PAMI
2010
13 years 6 months ago
2010
—Multigrid solvers proved very efficient for solving massive systems of equations in various fields. These solvers are based on iterative relaxation schemes together with the app...
NN
2006
Springer
13 years 7 months ago
2006
Springer
We introduce the Hierarchically Growing Hyperbolic Self-Organizing Map (H2 SOM) featuring two extensions of the HSOM (hyperbolic SOM): (i) a hierarchically growing variant that al...
SDM
2007
SIAM
13 years 9 months ago
2007
SIAM
A number of real-world domains such as social networks and e-commerce involve heterogeneous data that describes relations between multiple classes of entities. Understanding the n...