691 search results - page 25 / 139 » Non-negative graph embedding |
SENSYS
2003
ACM
14 years 1 months ago
2003
ACM
The widespread deployment of sensor networks is on the horizon. One of the main challenges in sensor networks is to process and aggregate data in the network rather than wasting e...
COMPGEOM
2010
ACM
14 years 1 months ago
2010
ACM
Let G be an unweighted graph of complexity n cellularly embedded in a surface (orientable or not) of genus g. We describe improved algorithms to compute (the length of) a shortest...
STOC
2004
ACM
14 years 8 months ago
2004
ACM
We give a O( log n)-approximation algorithm for sparsest cut, edge expansion, balanced separator, and graph conductance problems. This improves the O(log n)-approximation of Leig...
CVPR
2005
IEEE
14 years 10 months ago
2005
IEEE
In the last decades, a large family of algorithms supervised or unsupervised; stemming from statistic or geometry theory have been proposed to provide different solutions to the p...
DM
1998
13 years 7 months ago
1998
An embedding of Kn into a hypercube is a mapping of the n vertices of Kn to distinct vertices of the hypercube, and the associated cost is the sum over all pairs of (mapped) verti...