895 search results - page 50 / 179 » Using graphs for some discrete tomography problems |
MOBICOM
2012
ACM
12 years 1 months ago
2012
ACM
While a natural fit for modeling and understanding mobile networks, time-varying graphs remain poorly understood. Indeed, many of the usual concepts of static graphs have no obvi...
ADBIS
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. We consider the problem of query containment for conjunctive queries with the safe negation property. Some necessary conditions for this problem are given. A part of the ...
SODA
2008
ACM
14 years 11 days ago
2008
ACM
We consider graph coloring problems where the cost of a coloring is the sum of the costs of the colors, and the cost of a color is a monotone concave function of the total weight ...
CVPR
2004
IEEE
14 years 2 months ago
2004
IEEE
Graphical models are powerful tools for processing images. However, the large dimensionality of even local image data poses a difficulty: representing the range of possible graphi...
CVPR
2008
IEEE
15 years 29 days ago
2008
IEEE
This paper addresses the problem of exactly inferring the maximum a posteriori solutions of discrete multi-label MRFs or CRFs with higher order cliques. We present a framework to ...