434 search results - page 61 / 87 » sum 2007 |
COLOGNETWENTE
2008
13 years 9 months ago
2008
We consider combinatorial optimization problems arising in radiation therapy. Given a matrix I with non-negative integer entries, we seek for a decomposition of I as a weighted su...
COMGEO
2007
ACM
13 years 7 months ago
2007
ACM
In this paper we investigate the relations between spanners, weak spanners, and power spanners in RD for any dimension D and apply our results to topology control in wireless netw...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— We study transmission schemes for lifetime maximization in wireless sensor networks. Specifically we consider the network where all the sensors observe uncorrelated si...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
Most decision tree algorithms base their splitting decisions on a piecewise constant model. Often these splitting algorithms are extrapolated to trees with non-constant models at ...
CHI
2007
ACM
14 years 8 months ago
2007
ACM
Selections and actions in GUI's are often separated ? i.e. an action or command typically follows a selection. This sequence imposes a lower bound on the interaction time tha...